Fortes, N. R., & Pahila, I. G. Manual of soil and water chemical analyses for brackishwater ponds. College of Fisheries, Institute of Aquaculture, Brackishwater Aquaculture Center.
Lua i Stíl Chicago (17ú heag.)Fortes, Norma R., agus Ida Go Pahila. Manual of Soil and Water Chemical Analyses for Brackishwater Ponds. Leganes, Iloilo: College of Fisheries, Institute of Aquaculture, Brackishwater Aquaculture Center.
Lua MLA (9ú heag.)Fortes, Norma R., agus Ida Go Pahila. Manual of Soil and Water Chemical Analyses for Brackishwater Ponds. College of Fisheries, Institute of Aquaculture, Brackishwater Aquaculture Center.
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