บ่อคำ ร. ปัญหาชวนคิด. Life Sciences and Environment Journal, [S. l.], v. 7, n. 1-2, p. 49–53, 2014. Disponível em: https://ph01.tci-thaijo.org/index.php/psru/article/view/17120. Acesso em: 30 apr. 2024.