TY  - BOOK
AU  - SINGH, BRIJ KISHOR
TI  - Arthik Siddhant: Arthik Siddhant, VARANASI : Vishwavidyalaya Prakashan, 1969
U1  - 330 
PY  - 1969///
CY  - VARANASI
PB  - Vishwavidyalaya Prakashan
ER  -