TY  - BOOK
AU  - Ary, Donald ; Jecobs, Lucy Cheser  & Razavieh, Asghar
TI  - Introduction to Research in Education
SN  - 0-03-020606-5
U1  - 370.78 Ary 
PY  - 1972///
CY  - Holt, New york
ER  -