Ray, G. C., & Hossain, E. (2007). Operation research (First edition.). Titas Publications.
Chicago-čujuhus (17. p.)Ray, Ganesh Chnadra, juo Elias Hossain. Operation Research. First edition. Dhaka: Titas Publications, 2007.
MLA-čujuhus (9. p.)Ray, Ganesh Chnadra, juo Elias Hossain. Operation Research. First edition. Titas Publications, 2007.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.