TY - BOOK AU - Perera, Ashley L.S. TI - Environment and sustainable development U1 - 333.7 PY - 1994/// CY - [S.l. PB - s.n.] KW - Environmental management N1 - proceedings of the workshop held on 23rd April 1994 at the Savsiripaya Auditorium, Colombo; Organized by the institute of town planners, Sri Lanka in association with The ministry of environment and parliamentary affairs ER -