Tumanguil, Ma Delilah
Physico-chemical analysi of pump wells near agricultural areas of selected Barangays in Alcala, Cagayan / - viii, pages ; 28 cm.
Envi 0014 / 2005 c.1
Physico-chemical analysi of pump wells near agricultural areas of selected Barangays in Alcala, Cagayan / - viii, pages ; 28 cm.
Envi 0014 / 2005 c.1