Lal, Madan
200 profitable chemical industries - 1st ed. - Delhi Small Industry Research Institute 1969 - 260p. ill. - 16th Publication on small scale industries .
Chemical technology
660 / LAL/1969
200 profitable chemical industries - 1st ed. - Delhi Small Industry Research Institute 1969 - 260p. ill. - 16th Publication on small scale industries .
Chemical technology
660 / LAL/1969