Murodov Nodirbek Oybek o‘g‘li. “MULTI-LEVEL MODELS OF QUALITY MANAGEMENT IN HIGHER VOCATIONAL EDUCATION INSTITUTIONS”. Spectrum Journal of Innovation, Reforms and Development 14 (April 30, 2023): 230–234. Accessed February 23, 2025. https://sjird.journalspark.org/index.php/sjird/article/view/633.