M. Yamin, B., M. Yusof, S., Sahali Mahadi, A., & A. Kadir, M. (2002). X-ray Crystal Structures of Ortho Isomers of Chlorophenylbenzoylthiourea and Nitrophenylbenzoylthiourea. Malaysian Journal of Science, 21, 1–5. Retrieved from http://mojes.um.edu.my/index.php/MJS/article/view/8849