Ilaga, Roy Dennis S <br/><br/>
Development and validation of biodiversimusements for the teaching of systematics /  Roy Dennis S Ilaga. 

 -  1999. 
 - xiii, 169 leaves ;  28 cm. 
<br/><br/> Thesis (MA in Education) -- Mariano Marcos State University Graduate School, Laoag City. 
<br/><br/>Bibliography : leaves 81-85. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Teaching--Aids and devices.<br/>Educational games.<br/>Simulation games in education.