Irrigation and drainage principles and practices.

Manylion Llyfryddiaeth
Prif Awdur:	Caoili, A. A.
Awduron Corfforaethol:	Department of Agricultural Engineering College, Department of Development Communication
Awduron Eraill:	David, W. P., Sahagun, V. A., de Vera, M. R.
Fformat:	Llyfr
Iaith:	English
Cyhoeddwyd:	Laguna, Philippines July, 1967