Prasad, D. (2015). Operation research. Narosa publishing house.
Chicago-čujuhus (17. p.)Prasad, Devi. Operation Research. New Delhi: Narosa publishing house, 2015.
MLA-čujuhus (9. p.)Prasad, Devi. Operation Research. Narosa publishing house, 2015.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.