-
651
MMDA color-coding for garbage needs fine tuning. IN As I see it [column]
Gepubliceerd in Philippine Daily Inquirer (1999)Artikel -
652
-
653
Families and communities for the environment. IN At large [column]
Gepubliceerd in Philippine Daily Inquirer (1999)Artikel -
654
Color-coded trash bags. IN At large [column]
Gepubliceerd in Philippine Daily Inquirer (1999)Artikel -
655
-
656
Alternative to incineration given to DOST for evaluation
Gepubliceerd in Philippine Daily Inquirer (1999)Artikel -
657
-
658
-
659
Filipino technology to dispose of toxic waste
Gepubliceerd in Philippine Daily Inquirer (1999)Artikel -
660