G‘ayratova Aziza Bahodir kizi, Egamberdiyeva Shakhnoza Akbar kizi (2026) “SPEECH DEVELOPMENT OF OLIGOPHRENIC CHILDREN, PROBLEMS AND EFFECTIVE EDUCATION METHODOLOGY”, Journal of Applied Science and Social Science, 16(02), pp. 1257–1258. Available at: https://www.internationaljournal.co.in/index.php/jasass/article/view/3486 (Accessed: 26 February 2026).