SYNTHESIS AND CHARACTERIZATION OF COMPLEXES OF Co (II), NI (II) AND Cu (II) WITH I-HVDROXYL-2, 3-DIPHENYL-6-AMINO-MERCAPTO-L, 4, 5-TRIAZA-L, 3- HEXADIENE (HL). Pakistan Journal of Scientific & Industrial Research 2001, 44 (5), 273-276.