ROHILY, K. A.; GHONEIM, A.; EL-HAMSHARY, H.; MODAIHSH, A. Developed and Evaluation of Slow Release Phosphorus Fertilizer Using Mono-ammonium Phosphate and Di-ammonium Phosphate. International Research Journal of Pure and Applied Chemistry, v. 19, n. 1, p. 1-15, 13 jun. 2019.