Babakulov Bekzod Mamatkulovich, Mannonov Sarabek Shuhrat o’g’li, and Bobomurotov Jafarbek Jasurjonovich, “SPECIAL DEEP CNN DESIGN FOR FACIAL EXPRESSION CLASSIFICATION WITH A SMALL AMOUNT OF DATA”, oar, vol. 4, no. 3, pp. 472–478, Mar. 2023.