Lemma, Wendim-Agegnehu. <br/><br/>
Methodology for the selection and timing of water resources projects to promote national economic development.   
by Wendim-Agegnehu Lemma. 
 - Fort Collins  Colorado State Univ.  1975 
 - Hydrology papers .
<br/><br/><label>Dewey Class. No.: </label>627  / N75