Team, S. “Modules Which Are Reduced over Their Endomorphism Rings: N. Agayev, Sait Halicioglu, A. Harmanci, B. Ungor”. Thai Journal of Mathematics, vol. 13, no. 1, Apr. 2015, pp. 177-88, https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/500.