Siddiqui, N., K. Miah, A. A. Hasnain, and D. Greenfield. “Can Peer to Peer Interaction (PPI) Be a Global Theme to Promote Engagement in Students of Diverse Characteristics and Country Contexts?”. International Journal of Learning, Teaching and Educational Research, vol. 19, no. 8, Aug. 2020, pp. 117-36, http://ijlter.myres.net/index.php/ijlter/article/view/265.