Usa Boonyalesnirun. 2002. Cultivation of Spirulina sp. in bioextract from water hyacinth. Field of Study Appropriate Technology for Resources and Environmental Development, Mahidol University;
Usa Boonyalesnirun. (2002) Cultivation of Spirulina sp. in bioextract from water hyacinth . Mahidol University/Bangkok.
Usa Boonyalesnirun. Cultivation of Spirulina sp. in bioextract from water hyacinth. . Bangkok:Mahidol University, 2002.
Usa Boonyalesnirun. (2002) Cultivation of Spirulina sp. in bioextract from water hyacinth . Mahidol University/Bangkok.