Saliyeva Sevara Ma’mirbek qizi, & Ashurmatova Saidabonu Javlonbek qizi. (2026). Klassik Topologik Masalalar To’rt rang masalasi , Ko’priklar masalasi. SAMARALI TA’LIM VA BARQAROR INNOVATSIYALAR JURNALI, 4(4), 412–414. Retrieved from https://innovativepublication.uz/index.php/jelsi/article/view/5655