Excretory system [video recording]./ 

 - Quezon City :   AGC Educational Media,   c?.   
 - 1videodisc(DVD)(17min.): sd., col.; 4 3/4in.  
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>Dewey Class. No.: </label>DVD 612.46 Ex26