LIN, Jingjing. Optimization strategy of crop cultivation in North China based on sample mean approximation. Highlights in Science, Engineering and Technology, [S. l.], v. 132, p. 172–181, 2025. DOI: 10.54097/yay2x744. Disponível em: https://hsetdata.com/index.php/ojs/article/view/393. Acesso em: 19 apr. 2026.