Swarup, K. (1977). Operations research (2,7,8.). Sultan Chand and Sons.
Dyfyniad Arddull ChicagoSwarup, Kantietc. Operations Research. 2,7,8. Sultan Chand and Sons, 1977.
Dyfyniad MLASwarup, Kantietc. Operations Research. 2,7,8. Sultan Chand and Sons, 1977.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.