Wongpit, P., and V. . Sisapangthong. “Willingness to Pay of Rice Farmers in Lao PDR on Agriculture Insurance”. Thammasat Review of Economic and Social Policy, vol. 8, no. 1, June 2022, pp. 49-66, https://so04.tci-thaijo.org/index.php/TRESP/article/view/258880.