Moun, S., Kaewrahun, S., Janket, A., Nomura, H., Baba, T., Ito, K., Jutagate, T. Experimental study of extension intervention on farmers’ perception of willingness to pay (WTP) for healthy seeds among Cambodian cassava farmers. Int. J. Agric. Tech. [internet]. 2024 Jan. 15 [cited 2026 Sep. 15];20(1):177-96. available from: https://li04.tci-thaijo.org/index.php/IJAT/article/view/12228