1 ICID. 1999. 17th Congress on Irrigation and Drainage, Granada, Spain, 1999: Water for Agriculture in the Next Millennium - Transactions, Vol.1C, Q.48, Poster Session: Irrigation under conditions of water scarcity: Q.48.1: Management of irrigation systems and strategies to optimize the use of irrigation water. New Delhi, India: ICID. xii, 329p.
2 Hafeez, A.; Qazi, T. N.; Ahmad, I.; Basharat, M. 1999. Study of watertable behaviour to evaluate drainage measures in Swabi area. In ICID, 17th Congress on Irrigation and Drainage, Granada, Spain, 1999: Water for Agriculture in the Next Millennium - Transactions, Vol.1C, Q.48, Poster Session: Irrigation under conditions of water scarcity: Q.48.1: Management of irrigation systems and strategies to optimize the use of irrigation water. New Delhi, India: ICID. pp.239-246.