Idowu, D. O., Abegunrin, T. P., Adejumobi, M. A., and Onifade, T. B. “Reuse of wastewater for crop production: Effects on macronutrients content of celosia argentea vegetable”. International Journal of Agricultural Technology, vol. 12, no. 4, July 2016, pp. 607-1, https://li04.tci-thaijo.org/index.php/IJAT/article/view/6648.