TY  - BOOK
TI  - Research methods: structuring inquiries and empirial investigations
SN  - 978-971-655-493-9
U1  - 001.42 R432 2016 
CY  - Valenzuela
PB  - JO-ES Publishing House.
KW  - Research
KW  - Research, methods
N1  - Includes index
ER  -