Hashemi, Jawid, and Abdul Wares Sediqy. 2025. “A Study of Polynomials of the First Kind Pafnuty Chebyshev”. Farah Research and Scientific Journal 2 (1). Sayed Barakat, Ahmad Alami. (2017). Challenges of quality assurance in higher education: Case study of Afghanistan. Journal of Education and Practice, 8(12), 34-45.:183-92. https://frsj.farau.edu.af/index.php/frsj/article/view/62.