Egharevba, N. A. Irrigation and drainage engineering: principles, design and practices - Minna, Nigeria: Nma, Printers and Publishing, 2002. - 111p.: ill.; 21 cm Includes index ISBN: 9783653601 Source: B-23333 Subjects--Topical Terms: Irrigation--Drainage engineering LC Class. No.: TC805 / .E33 2002