Erdonov Mukhammadamin Erdon o’gli. “XIZMAT KO’RSATISH KORXONALARINING IQTISODIY SALOHIYATI TUSHUNCHASI VA MOHIYATI”. Ustozlar Uchun, vol. 19, no. 2, June 2023, pp. 219-21, http://pedagoglar.uz/index.php/01/article/view/5862.