Urbain C. Kasséhin, Odilon Q. ASSAN, Fernand A. Gbaguidi, Julien R. C. Prévost, Raphaël Frédérick, and Jacques H. Poupaert, “Use of natural aminoacids as efficient green catalyst in the synthesis of thiosemicarbazones”, World J Pharm Sci, vol. 5, no. 1, pp. 19–22, Jan. 2017.