1. PUBLIC RELATIONS 576.3 CASES PUBLIC RELATIONS - 574 630 659.2 Azo dye Benzoylhydrazide Biology Bromometric Ethanol Kinetics Metabolisme tanaman Mixed ligand complexes PUBLIC RELATIONS - CASES STUDIES Public relations -- Case studies Public relations -- United States -- Case studies Public relations-Case studies Publicity -- Case studies Publicity-Case studies Salicylaldehydes Synthesis Temperature antimicrobial activities bimolecular mechanism diamagnetic dimethyl ekologi ligands methyl paramagnetic phenolic group polystyrene spectral studies tridentate ligand undecadiene