“HISTORY OF THE EMERGENCE AND SPREAD OF THE SCIENTIFIC TERM ‘PERSPECTIVE’ IN THE THEORY OF IMAGES”, Amer. Jour. of Peda. and Educ. Rese., vol. 12, pp. 72–76, May 2023, Accessed: Jul. 02, 2026. [Online]. Available: https://mail.americanjournal.org/index.php/ajper/article/view/802