Palma, R. V. P. The effect of water hardness on viability and hatching percentages of Asian catfish, Claria macrocephalus (Gunther) eggs.
Lua i Stíl Chicago (17ú heag.)Palma, Rex Vener Palmares. The Effect of Water Hardness on Viability and Hatching Percentages of Asian Catfish, Claria Macrocephalus (Gunther) Eggs. 1997.
Lua MLA (9ú heag.)Palma, Rex Vener Palmares. The Effect of Water Hardness on Viability and Hatching Percentages of Asian Catfish, Claria Macrocephalus (Gunther) Eggs.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.