Kunlanit, B., T. Siritrakulsak, and P. Vityakon. “Zinc Promotes Growth, Yield and Economic Return of Cassava Variety Kasetsart 50 Production”. Asia-Pacific Journal of Science and Technology, vol. 27, no. 05, Aug. 2022, pp. APST-27, doi:10.14456/apst.2022.67.