TY - SER TI - APPEN features PY - 1985/// CY - Pulau Pinang PB - Sahabat Alam Malaysia KW - Environmental protection KW - Periodicals N1 - UKM: no.1- (1984-1991). Sahabat Alam Malaysia, Pulau Pinang. RM60.00. Langganan tamat ER -