1. Profitable small scale manufacture of soaps and detergents
پدیدآورنده : Written by Eiri Board of Consultants & Engineers
کتابخانه: Library of Urmia University of Technology (West Azarbaijan)
موضوع : Soap,Detergents,Glycerin
رده :
TP
,
991
,
E4P8
,
2003
