AL-MARWANI, M. M. Experimental Processes and Diffusion among Qat Farmers in Yemen. Journal of the Faculty of Education, [S. l.], v. 6, n. 10, p. 7–31, 2023. DOI: 10.60037/edu.v1i10.1214. Disponível em: https://journal.tu.edu.ye/index.php/edu/article/view/1214. Acesso em: 22 jul. 2024.