Can a visual self-learning tool improve immunisation awareness? Evidence from a quasi-experimental pilot study in Madhya Pradesh, India. - Das, Priyanka; Shukla, Santosh; Bhatia, Mehak; Kothari, Nitin; Jandu, Harkabir Singh; Monga, Divya; Aggarwal, Mahesh Kumar (BMC Public Health, 2025)