Assessment of the Effect of Glycine, Oxalic Acid and Nitrogen-Phosphorus-Potassium (NPK) Fertilizer as Nutrient Supplement Using Phosphate and OxalicAcid as Indices (Temitope Olabisi Abodunrin & Yemisi T. Afolabi , Trans.). (2020). Pakistan Journal of Analytical & Environmental Chemistry, 21(1), 102 – 106. https://doi.org/10.21743/pjaec/2020.06.12