Mamatkulova Nilufar Boyzak Kizi. THE CONTRIBUTION OF SCIENTIFIC RESEARCH TO THE DEVELOPMENT OF METHODS FOR THE DEVELOPMENT OF SPEECH CULTURE. iscrc [Internet]. 2024 Feb. 29 [cited 2026 Feb. 7];1(01):189-92. Available from: https://orientalpublication.com/index.php/iscrc/article/view/1491