Mirsaid Yusupov, and Suyarov Ulug’bek G’iyosiddin o’g’li. “SINGLETON PATTERNINI O‘RGANISH VA LOGGER SINFI YOZISH ”. Ta’lim innovatsiyasi va integratsiyasi 59, no. 2 (December 16, 2025): 220–227. Accessed January 20, 2026. https://journalss.org/index.php/tal/article/view/10652.