TY  - BOOK
AU  - De, Dipak
AU  - Rao, Mandava Srinivasa
TI  - Techniques of theory building
SN  - 81-85694-31-1
U1  - 001.8 
PY  - 2000///
CY  - Varanasi
PB  - Ganga Kaveri Publishing House
KW  - Extension education
KW  - Theory construction - Science
ER  -