na INLIS000000000000495 0010-1020000297 Crop-based irrigation in Pakistan: Initial efforts in the north west frontier province D.J Bandaragoda; Charlos Garces-Restrepo Overseas Development Institute London Overseas Development Institute 1992 24p.; 21 cm 631.67(549) 631.67(549) IRIGASI PAKISTAN NETWORK PAPER 18. 504 504