Mahmood , Maziah, Ooi Bee Bee, Mahmud Tengku Muda Mohamed, and Sreeramanan Subramaniam. “EFFECTS OF ELECTROMAGNETIC FIELD ON THE NITROGEN, PROTEIN AND CHLOROPHYLLCONTENT AND PEROXIDASE ENZYME ACTIVITY IN OIL PALM (ELAEIS GUINEENSIS JACQ.)LEAVES”. Emirates Journal of Food and Agriculture 25, no. 6 (November 3, 2017): 471–482. Accessed September 20, 2025. https://ejfa.me/index.php/journal/article/view/966.