Kunlanit, Benjapon, Tanapon Siritrakulsak, and Patma Vityakon. 2022. “Zinc Promotes Growth, Yield and Economic Return of Cassava Variety Kasetsart 50 Production”. Asia-Pacific Journal of Science and Technology 27 (05):APST-27. https://doi.org/10.14456/apst.2022.67.