National Azolla Action Program. (1989). Azolla: Its culture, management and utilization in the Philippines. National Azolla Action Program.
Citace podle Chicago (17th ed.)National Azolla Action Program. Azolla: Its Culture, Management and Utilization in the Philippines. [Los Baños, Laguna]: National Azolla Action Program, 1989.
Citace podle MLA (9th ed.)National Azolla Action Program. Azolla: Its Culture, Management and Utilization in the Philippines. National Azolla Action Program, 1989.
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