Farzan M, Zerin I, Kabir M, Pavel M, Hossain M. Health Education Intervention on Hand Washing in a selected Primary School Children. Bangla J. Dent. Res. & Educ. [Internet]. 2013 Jul. 3 [cited 2024 Oct. 20];2(1):7-11. Available from: https://banglajol.info/index.php/BJDRE/article/view/15571