TY  - BOOK
AU  - Aaya S. V. C.
TI  - vignan Aaao Karake Sheekhe (Hindi) (Kaksha 3 ke liye Pathyapustak) Prayogatmak Sarksan. (Guj.)
U1  - 500 AAY 
PY  - 1970///
CY  - New Delhi
PB  - National Council of Educational Research & Training
ER  -