KHANNA , O. (1986). WELDING TECHNOLOGY. DHANPAT RAI & SONS.
Chicago-čujuhus (17. p.)KHANNA , O.P. WELDING TECHNOLOGY. DELHI: DHANPAT RAI & SONS, 1986.
MLA-čujuhus (9. p.)KHANNA , O.P. WELDING TECHNOLOGY. DHANPAT RAI & SONS, 1986.
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