Ravi Sankar Mandapaka, & Rama Mohan Prakash Nedunuri. (2020). A Study on the effectiveness & Challenges of online classes for teachers and students. Technium Social Sciences Journal, 13(1), 286–296. Retrieved from https://www.techniumscience.com.techniumscience.pluscommunication.eu/index.php/socialsciences/article/view/1670