1 ICID. 1998. The Tenth Afro-Asian Regional Conference Proceedings: Water and land resources development and management for sustainable use, Denpasar, Bali, Indonesia, 19-24 July 1998. Volume II - A. Jakarta, Indonesia: Indonesian National Committee on Irrigation and Drainage (INACID) v.p.
2 Didiek, S. B. 1998. Alternative technique of water saving through intermittent irrigation system for rice crop. In ICID, The Tenth Afro-Asian Regional Conference Proceedings: Water and land resources development and management for sustainable use, Denpasar, Bali, Indonesia, 19-24 July 1998. Volume II - A. Jakarta, Indonesia: Indonesian National Committee on Irrigation and Drainage (INACID) pp.A31:1-8.