000 00765nam a2200193 a 4500
003 0
005 20250516151011.0
008 030519s19uu xx 00 eng d
050 _aPHS HQ 30.5
_b.S45 2003
100 _aSekhanan, Christian E.
245 _aA Comparative study on the acidity levels of deep-well water of selected areas of Las Piñas City /
_cChristian E. Sekhanan.
260 _aLas Piñas City, Philippines :
_bSouthville International School and Colleges,
_c2003.
300 _a22 pages :
_billustrations ;
_c28 cm.
504 _aIncludes bibliographical references.
650 _aCross-cultural studies.
650 _aPremarital sex
_xSocial aspects
_zPhilippines.
650 _aPremarital sex
_xSocial aspects
_zKorea (South).
942 _2lcc
_cPASS
999 _c96813
_d96813