TY  - BOOK
AU  - Arevalo, Adulfo R.
AU  - Cuevas, Romeo C.,
ED  - 
ED  - 
ED  - 
ED  - 
TI  - : a simplified approach 
SN  - 2
PY  - 2002///46
CY  - Quezon City, Philippines
PB  - Jollence Publishing
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Commercial statistics.;Statistics
KW  - sears;sears0
N1  - Includes bibliographic references; 5
ER  -