ZHANG, Zeyang; LI, Yichen; ZHANG, Yunshan. Research on Crop Planting Strategies in Rural Areas of North China Based on Bi-Level Optimization. Highlights in Science, Engineering and Technology, [S. l.], v. 139, p. 138–143, 2025. DOI: 10.54097/wc199v29. Disponível em: https://hsetdata.com/index.php/ojs/article/view/664. Acesso em: 19 apr. 2026.