TY - BOOK AU - Rajeena, S AU - Shailaja, R M AU - Sheela, K B AU - Krishnakumary, K AU - Asha Sankar TI - Veettuvalappile krishi SN - 81-7638-607-3 U1 - 630 PY - 2007/// CY - Thiruvananthapuram PB - The state institute of languages ER -