I. Chanthavong, B. Xayyaphet, S. Phengsavanh, O. Souliya, and C. Youyabouth, “Farmers’ Adoption of Tobacco Production Technology in Khounkham District, Khammouane Province, Lao People’s Democratic Republic”, sujournal, vol. 8, no. 1, pp. 180–187, Jun. 2022.