TY - GEN AU - Ranasinghe, M.A.S.K TI - Paddy pests in Sri Lanka T2 - Science education series ; no 30 U1 - 632.7 PY - 1992/// CY - Colombo PB - NARESA KW - Agriculture KW - Insect Pests KW - Paddy Pests KW - Plant Protection KW - Sri Lanka ER -