Efkolidis N., Markopoulos A., Karkalos N., Garcia-Hernandez C., Huertas-Talon J.L., Kyratsis P., (2019), "Optimizing models for sustainable drilling operations using genetic algorithm for the optimum ANN", Applied Artificial Intelligence, 33(10), https://doi.org/10.1080/08839514.2019.1646014
Velikis K., Efkolidis N., Kyratsis P., Tzetzis D., (2019), "Design process and development of a prototype electric wheelchair", Academic Journal of Manufacturing Engineering, 17(2), 53-59.
Karkalos N., Efkolidis N., Kyratsis P., Markopoulos A. (2019), "A comparative study between regression and neural networks for modeling Al8082-T6 Alloy drilling", Machines, 7(1), 13. https://doi.org/10.3390/machines7010013
Manavis A., Sourris Th., Dimou E., Efkolidis N., Kyratsis P., (2019), "An inspired from nature design methodology for in store displays", Journal of Packaging Technology and Research https://doi.org/10.1007/s41783-019-00057-w
Efkolidis N., Garcia-Hernandez C., Huertas-Talon J.L., Kyratsis P., (2018), “Promote sustainability through product design process by involving the user” Environmental Engineering and Management Journal Vol. 18, No. 9.
Efkolidis N., Garcia-Hernandez C., Huertas-Talon J.L., Kyratsis P., (2018), 'Modelling and prediction of thrust force and torque in drilling operations of Al7075 using ANN and RSM Methodologies', Strojinski vestnik-Journal of Mechanical Engineering, 64(6), 351-361. DOI:10.5545/sv-jme.2017.5188
Kyratsis P., Markopoulos A., Efkolidis N., Maliagkas V., Kakoulis K., (2018), 'Prediction of thrust force and cutting torque in drilling based on the response surface methodology', Machines, 6(2), 24. https://doi.org/10.3390/machines6020024
Efkolidis N., Garcia-Hernandez C., Huertas-Talon J.L., Kyratsis P., (2017), 'Sustainability and distance learning: technical Universities sharing high cost resources', International Journal of Engineering Education, Vol. 33(5), pp. 1-8.
Garcia-Hernandez C., Gella-Marin R.M., Huertas-Talon J.L., Efkolidis N., Kyratsis P., (2015) 'WEDM manufacturing method for noncircular gears using CAD/CAM software', Journal of Mechanical Engineering-Strojniski vestnik, Vol. 62(2), pp. 137-144.
Efkolidis N., Garcia-Hernandez C., Kyratsis P., Huertas-Talon J.L., (2015), 'Design for Green Usability: A New User Centered Methodology for Product Development', Applied Mechanics and Materials, Vol. 809-810 (Part 2), pp. 1372-1377.
Kyratsis P., Efkolidis N., Manavis A., Tsagaris A., (2015) 'Design for Skin and Shape: An Innovative Design Approach', Applied Mechanics and Materials, Vol. 809-810 (Part 2), pp. 1311-1316.
Kyratsis P., Dimou E., Efkolidis N., Manavis Ath., (2014), 'Conceptual product design inspired from nature', Applied Mechanics and Materials, Vol. 657, pp. 1026-1030.
Kyratsis P., Manavis Ath., Garcia-Hernandez C., Efkolidis N., (2014), 'Creative Design for Skin and Shape using advanced CAD systems', Applied Mechanics and Materials, Vol. 657, pp. 1021-1025.
Efkolidis N., Kikis V., Mavroidis V., Kyratsis P., (2014), 'Design of local products as the key for sustainability', International Journal of Product Design, Vol. 5(2), pp. 115-124.
Kyratsis P., Efkolidis N., Athanasios Manavis Ath., Asimopoulos N., (2014), ‘The impact of green labeling to lifecycle thinking’, International Journal of Product Design, Vol. 5(1), pp. 43-53.
Kyratsis P., Efkolidis N., Manavis Ath., Peristeri St., (2013), 'Design for Skin and Shape in the packaging industry', Academic Journal of Manufacturing Engineering, Vol. 11(4), pp. 56-61.
Manavis A., Efkolidis N., Peristeri S., Kyratsis P., Asimopoulos N., (2013), 'Designing the visual identity of the Greek Goji Berry', The Cyprus Journal of Science, Vol. 11, pp. 129-141.
Kyratsis P., Efkolidis N., Tsagaris A., (2012), 'CAD based material selection for sustainable design', International Journal of Engineering Research and Development, Vol. 1, No 8, pp. 54-59.
Efkolidis N., Kyratsis P., (2012), 'Ecology Push: a novel methodology in product design', International Journal of Modern Engineering Research, Vol. 2(2), pp. 89-94.
Kyratsis P., Efkolidis N., Sirganis K., Tsagaris A., (2012), 'The environmental friendly material selection using advanced CAD systems', Academic Journal of Manufacturing Engineering, Vol. 10(3), pp. 44-51.
Tsagaris A., Efkolidis N., Stampoulis K., Kyratsis P., (2012), 'Reverse engineering techniques integrated into robotic system for surface reconstruction', Academic Journal of Manufacturing Engineering, Vol 10(3), pp. 113-119.
Alexopoulos V., Kyratsis P., Efkolidis N., (2011), 'Feta cheese packaging designs using advanced CAD/CAM systems', The Cyprus Journal of Sciences, Vol. 9, pp. 49-57.
Published As Chapters in Books
Kyratsis P., Efkolidis N. and Davim J.P. (eds), Advances in Product Design Engineering, Management and Industrial Engineering book series, https://doi.org/10.1007/978-3-030-98124-2
Spahiu T., Manavis A., Efkolidis N., Kyratsis P., (2021), "3D printing for fashion related products", Chapter 2 included in the book by Andrzej Wrobel and Marek Wylezol (eds) Selected Applications of Additive Technologies, ISBN 978-83-60759-28-8.