Phong, Nguyen, and Nguyen Le. “Economic Linkage Between Households and Enterprises in Production and Marketing of Medical Herbs in Hai Hau District, Nam Dinh Province”. Vietnam Journal of Agricultural Sciences, vol. 19, no. 10, May 2024, pp. 1304-12, http://testtapchi.vnua.edu.vn/index.php/vjasvn/article/view/890.