TY  - BOOK
AU  - Cruz, Zenaida L., Ph.D.
TI  - Principles of tourism : : part I 
SN  - 9789712346187
AV  - 338.4791 C88p 
PY  - 2006///
CY  - Recto, Maila
PB  - Rex Book Store
N1  - Includes index
ER  -