WIJETUNGA, C. S. . Rice Production Structures in Sri Lanka: The Normalized Translog Profit Function Approach. Asian Journal of Agriculture and Rural Development, [S. l.], v. 6, n. 2, p. 21–35, 2016. Disponível em: https://archive.aessweb.com/index.php/5005/article/view/1455. Acesso em: 22 jul. 2024.