Avezov, B., et al. “TEXNIK DETALLARNI MURAKKABLIK DARAJALARIGA AJRATISH YOLLARI VA ULARNI TALABALARGA O’RGATISH USULLARI”. ILIM Hám JÁMIYET, no. 3, May 2017, pp. 6-7, https://journal.ndpi.uz/ss/article/view/2017-3-002.