Nurmuxamedov, Sanjarbek Ilxamovich, and Sevara Bekturdi qizi Masharipova. “Tarixiy Obidalarni Saqlashda Va Umrboqiyligini Oshirishda Petrolotum qo’shimchasining o’rni Vazifasi”. Science and Education 5, no. 1 (January 27, 2024): 124–127. Accessed July 3, 2024. https://openscience.uz/index.php/sciedu/article/view/6573.