I. A., Ismail, and R.S. Abdel-Rahman. 2015. “BIO-RESIDUAL STUDIES AND TREATING GUNNY SACKS WITH COUMARINS EXTRACT ON SEED PROTECTION AGAINST COWPEA BEETLE, CALLOSOBRUCHUS MACULATUS (FAB.)”. European Scientific Journal, ESJ 11 (3). https://eujournal.org/index.php/esj/article/view/5055.