Cagurungan, Roselle N.
Bacteriological analysis of ground water in Barangay Annafunan East Tuguegarao City / - 2001. - vii, 48 pages ; 28 cm.
Bio 0051 / 2001 c.1
Bacteriological analysis of ground water in Barangay Annafunan East Tuguegarao City / - 2001. - vii, 48 pages ; 28 cm.
Bio 0051 / 2001 c.1