Madhava Rao, B., and M.J. Kulkarni. 2010. “A Titrimetric Estimation of Ammonium Thiocyanate, Thiourea, N-Phenylthiourea,N, N&Acute; -Diphenylthiourea and Thiosemicarbzide With Ammonium Hexanitratocerate(IV) in Perchloric Acid Medium ”. Asian Journal of Chemistry 5 (1):144-49. https://asianpubs.org/index.php/ajchem/article/view/24764.