Obono, F., A. N. Nsangou, D. Ngahac, T. Tchawou, and C. Kapseu. “Valuation of Vinasse As Organic Fertilizer on the Corn Field”. American Scientific Research Journal for Engineering, Technology, and Sciences, vol. 23, no. 1, Aug. 2016, pp. 185-9, https://www.asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/1754.