15th & 16th combined annual progress report 1989-90 
Compiled by Pakistan council of appropriate technology 
 - Islamabad:  Pakistan council of appropriate technology,  1990. 
 - 45p. 
<br/><br/> HB 
<br/><br/><br/>Eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology-Study and teaching
<br/><br/><label>Dewey Class. No.: </label>607  / FIF