Adewara , A.A. (2015) “Alternative to Tin Ratio Type Estimator”, Al-Hikmah Journal of Pure and Applied Sciences (AJPAS), 2(1), pp. 7–13. Available at: https://alhikmahuniversity.edu.ng/AJPAS/index.php/journal/article/view/127 (Accessed: 4 July 2026).