Kamolov , Xusan. “BOSHLANG‘ICH FUNKSIYA VA ANIQMAS INTEGRAL TUSHUNCHALARI: NAZARIY ASOSLARI VA O‘QITISH METODIKASI”. Scientific journals "D-PRESS SERVICES" 4, no. 8 (January 31, 2026): 81–83. Accessed June 2, 2026. https://d-pressa.com/index.php/dps/article/view/710.