TY - BOOK AU - Timilsina, Govinda R AU - Dulal Hari B AU - World Bank TI - A review of regulatory instruments to control environmental PY - 2009/// CY - Washington PB - World Bank UR - http://elibrary.igidr.ac.in/e-library/working papers/World Bank/PRWP/2009/E882.pdf ER -