YAHYA HABEEB, EMAN. “ON THE PRIMARY SPECTRUM OF A MODULE AND A PRIMARY FUL MODULE”. Al-Qadisiyah Journal of Pure Science 21, no. 4 (July 6, 2017): 1-9. Accessed January 18, 2026. https://www.journalsc.qu.edu.iq.51-77-64-103.cpanel.site/index.php/JOPS/article/view/2.