Vasava, Bipin, Kallol Malick, Kairavee Dave, Amit Patel, Mihir Rupani, Bhautik Modi, and AK Naik. 2010. “Awareness About Vaccine Vial Monitor at Pulse Polio Booths”. National Journal of Community Medicine 1 (02):172-73. https://www.njcmindia.com/index.php/file/article/view/2022.