Hubert, H. (2018) “Effect of P fertilizers use on rice (Oryza sativa) productivity in Southern Province of Rwanda, Rwasave marshland.”, GPH-International Journal of Agriculture and Research E-ISSN 2805-4362 P-ISSN 2805-4340, 1(1), pp. 01-13. Available at: http://gphjournal.org/index.php/ar/article/view/55 (Accessed: 1February2023).