Revised water usage & classification, water quality criteria amending section #68 & 69, chapter III of the NPCC rules and regulations.

Revised water usage & classification, water quality criteria amending section #68 & 69, chapter III of the NPCC rules and regulations.

Bibliografiset tiedot
Aineistotyyppi: Kirja
Julkaistu: [s.l. s.n. c1990].
Aiheet:
Water > Laws and regulations > Philippines.