موسى محمد, معلا تيسير, and ديب ماوية. 2020. “Studying the Effect of Second-Class Current on Polarization Degree of Photon in Free Neutron β Decay”. Tishreen University Journal -Basic Sciences Series 42 (3). https://journal.tishreen.edu.sy/index.php/bassnc/article/view/9725.