Dhingra, K.C. Gupta, D.C.
Plastics processing industries - New Delhi Small Industry Research Institute 1975 - 287p. - Publication of small scale industries ; 23 .
678.5 / D5
Plastics processing industries - New Delhi Small Industry Research Institute 1975 - 287p. - Publication of small scale industries ; 23 .
678.5 / D5