Tugalov, F.Q. 2019. “KASBIY TAYYORGARLIK DARAJASINI SHAKLLANTIRUVCHI MUHIM MAVZULARNI O’QITISH METODIKASI”. ILIM Hám JÁMIYET, no. 1 (January): 84-87. https://journal.ndpi.uz/ss/article/view/2019-1-044.