TY  - BOOK
AU  - Patten,Mildred L
AU  - Newhart,Michelle
TI  - Understanding research methods: an overview of the essentials 
SN  - 9780415790529  
U1  - 001.4 
PY  - 2018///
CY  - New York, NY
PB  - Routledge
KW  - Investigación
KW  - Metodología
ER  -