Zhi-peng HE, and Kang YU. “Study on Income Effect of Nutrient Intake Structure of Migrant Workers: The Case of China”. International Journal of Engineering and Management Research 10, no. 4 (August 31, 2020): 193–199. Accessed July 3, 2024. https://ijemr.vandanapublications.com/index.php/ijemr/article/view/238.