John , K., & Varghese, P. (1996). Machine drawing (4th ed.). V.I.P. Publishers.
Chicago Edition CitationJohn , K.C, i P.I Varghese. Machine Drawing. 4th ed. Thrissur: V.I.P. Publishers, 1996.
Cita MLAJohn , K.C, i P.I Varghese. Machine Drawing. 4th ed. V.I.P. Publishers, 1996.
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