“…Linear programming problems with interval coefficients have been studied by several authors, such as Atanu Sengupta et al [2,3], Bitran [5], Chanas and Kuchta [6], Nakahara et al [20], Steuer [26] and Tong Shaocheng [31]. Numerous methods for comparison of interval numbers can be found as in Atanu Sengupta and Tapan Kumar Pal [2,3], Ganesan and Veeramani [8,9] etc.…”