00459nam a2200157 a 450000500170000000800410001702000180005805000250007610000210010124500680012226000420019030000300023252100080026265000190027065000120028920140311163027.0061129s19uu    xx            00    eng d  a9789712351006  aG 155.A1b.C68 2008   aCruz, Zenaida L.  aPrinciples and ethics of tour guiding.cZenaida Lansangan-Cruz.  aPhilippines :bRex Book Store,c2008.  a164 p. :bill. ;c22 cm.   aTOU  aTourist trade.  aTravel.