Jyothi N. Rao*, Pooja, Nithya, Royline. “Synthesis of Novel Pyrazole Derivatives by Vilsemeier Haack Reaction”. International Journal of Emerging Trends in Science and Technology, vol. 4, no. 07, July 2017, pp. 5337-42, http://ijetst.in/index.php/ijetst/article/view/1183.