Isaeva Mukaddaskhon Makhammadovna. “CAVITY PREPARATION AND FILLING TECHNIQUES ACCORDING TO BLACK’S CLASSIFICATION IN OPERATIVE DENTISTRY”. International Multidisciplinary Journal for Research & Development, vol. 13, no. 01, Jan. 2026, pp. 332-7, https://www.ijmrd.in/index.php/imjrd/article/view/4750.