Kumar Singh, S., Singh, S., Singh, S., & Dhakarey, R. (2012). Physico-Chemical Studies of Co(II) and Ni(II) Complexes with 2-Thiophene Hydroxamic Acid and N-Phenyl 2-Thiophene Hydroxamic Acid. Asian Journal of Chemistry, 16(1), 9–16. Retrieved from https://asianpubs.org/index.php/ajchem/article/view/19531