Salaguinto: the worsening plastic problem, Vol. 41/ no. 1 

 - Makati City;  Diwa Learning Systems Inc.,  2023-2024. 
 - 41 volume  26 cm. 
<br/><br/><label>ISSN: </label>01177036 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plastic Problem--Periodicals