TY - BOOK AU - Tan Meng Leng and Halimah Hassan. ED - National Workshop on Environmental Planning and Management. TI - Workshop on Environmental for Sustainable Development: Hazardous Chemicals, Usage/Trade: Need for an Internation. Control PY - 1990/// CY - National Workshop on Environmental Planning and Management KW - Water Resources KW - ENVIRONMENT KW - WATER KW - Malaysia, N. Sembilan ER -