Betonio, S. M. Low cost water purifier for residents of urban poor communities.
Chicago Style aipamenaBetonio, Salvador M. Low Cost Water Purifier for Residents of Urban Poor Communities. Thesis (BFA)--University of the Philippines.
MLA aipamenaBetonio, Salvador M. Low Cost Water Purifier for Residents of Urban Poor Communities.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.