C SUBHA
"Studies on the Cobalt(II) and Copper(II) complexes of 2,5-substituted 1,3,4-Triazoles".
IOSR Journal of Applied Chemistry,
vol: 5, No. 4 Jan. 1970, pp: 16-18, https://scholar9.com/publication-detail/studies-on-the-cobaltii-and-copperii-complexes-23251