NAKORNTHAP, A. Radiation Sources for Semi-Acute Irradiation of Growing Plants. Agriculture and Natural Resources, Bangkok, Thailand, v. 6, n. 1, p. 16–22, 1966. Disponível em: https://li01.tci-thaijo.org/index.php/anres/article/view/240622. Acesso em: 18 sep. 2026.