BIRINCHI TARTIBLI DIFFERENSIAL TENGLAMALARNING TASNIFI VA ULARNI YECHISH USULLARI. ITFTTDM [Internet]. 2025 Dec. 12 [cited 2026 May 18];3(12):76-81. Available from: https://universalpublishings.com/index.php/itfttdm/article/view/15124