Rabai, Krystle A., Osumanu H. Ahmed, and Susilawati Kasim. 2013. “USE OF FORMULATED NITROGEN, PHOSPHORUS, AND POTASSIUM COMPOUND FERTILIZERUSING CLINOPTILOLITE ZEOLITE IN MAIZE (ZEA MAYS L.) CULTIVATION”. Emirates Journal of Food and Agriculture 25 (9):713-22. https://doi.org/10.9755/ejfa.v25i9.16248.