Sethi, G S .
Workshop calculation and science / Textual Documents G S Sethi. - 1 / . - New Delhi : Tata Mc-Graw Hill Publishing Company , 1986. - 113 ; .
0 07 451906 9
621.9 / SET/WO
Workshop calculation and science / Textual Documents G S Sethi. - 1 / . - New Delhi : Tata Mc-Graw Hill Publishing Company , 1986. - 113 ; .
0 07 451906 9
621.9 / SET/WO