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- [6] USE OF SECONDARY RAW-MATERIALS IN MAKING CHROMIUM COMPOUNDS JOURNAL OF APPLIED CHEMISTRY OF THE USSR, 1987, 60 (07): : 1533 - 1535
- [7] QUALITY OF RAW-MATERIALS USED IN MAKING OFFICIAL SUBSTANCES PHARMACOPEIAL FORUM, 1980, 6 (01): : 57 - 57
- [8] ECONOMICS ON RAW-MATERIALS BY PLANNED CUTTING OF COMSUMPTION OF RAW-MATERIALS LEBENSMITTEL INDUSTRIE, 1975, 22 (10): : 449 - 450
- [9] CSMA DETERGENTS CONFERENCE - PROGRAM STRESSES DEVELOPMENTS IN RAW-MATERIALS SOAP COSMETICS CHEMICAL SPECIALTIES, 1985, 61 (07): : 27 - &
- [10] SOME DEVELOPMENTS FOR BETTER UTILIZATION OF RAW-MATERIALS FOR MAXIMIZATION OF RETURNS COLOURAGE, 1989, 36 (03): : R14 - R15