Dadhich Anima Sunil (2011) “An Investigation into the Effect of Calcium and Sodium Ions on pH Dependent Retention of Phosphate by Some Soil Samples and Correlating It to the Soil Properties: a Study Done at Visakhapatnam City”, International Journal of Research in Chemistry and Environment (IJRCE), 2(1), pp. 270–274. Available at: https://ijrce.org/index.php/ijrce/article/view/176 (Accessed: 25 November 2024).