TY - BOOK AU - Mathew, P M AU - Mohan, M V TI - Suddhajala matsyakrushi: /ശുദ്ധജല മത്സ്യക്കൃഷി U1 - IR 639.31 PY - 1989/// CY - Mannuthy PB - Director of Extension, Kerala Agricultural University KW - Fresh water fish culture KW - Aquatic Fishes KW - Culture Methods and practices N1 - Sudhajala Malsyakrishi; malsyakrishi; matsyakrushi ER -