KETSA, S.; MANAPEE, K.; TONGUMPAI, P.; PILUEK, K. Effect of Time and Number of SADH Application on Head Formation of Chinese Cabbage Grown During Summer Season. Agriculture and Natural Resources, Bangkok, Thailand, v. 17, n. 2, p. 1–8, 1983. Disponível em: https://li01.tci-thaijo.org/index.php/anres/article/view/240911. Acesso em: 18 sep. 2026.