R. Panyakom, N. Khanbutsri, T. Rodchanai, and G. Sumdangchai, “Development of a learning set on animal injection training tools for beef cattle raising course: a case study at Ubon Ratchathani College of Agriculture and Technology”, J. Agr. Bio. Tech. & Educ., vol. 5, no. 1, pp. 19–28, Jun. 2025.