ADHIKARY, B. H.; VANGNAI, S.; ATTANANDANA, T.; SWATDEE, P.; SRIPICHITT, P. Growth and Nitrogen Production Rates of Azolla ( Azolla microphylla ) as Affected by Its Cultivation Methods : An Economic Perspective in Rice Cultivation in Thailand. Agriculture and Natural Resources, Bangkok, Thailand, v. 31, n. 1, p. 134–140, 1997. Disponível em: https://li01.tci-thaijo.org/index.php/anres/article/view/240797. Acesso em: 17 sep. 2026.