M. Chernykh1, M., A. E. Dryukova, P. A. Ostanina, and E. V. Kargashina. “Management of Aesthetic Properties of Engravings Obtained Using Laser”. International Journal of Engineering and Technology 7, no. 4.25 (November 30, 2018): 230–231. Accessed August 17, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/26928.