NEERUN, N.; RAO, S. Interrelationship between Azotobacter and Clostridium in Increasing The Yield of Paddy and Nitrogen Uptake. Agriculture and Natural Resources, Bangkok, Thailand, v. 5, n. 1, p. 10–15, 1965. Disponível em: https://li01.tci-thaijo.org/index.php/anres/article/view/240591. Acesso em: 18 sep. 2026.