Zulkifli, N. N., Abd Halim, N. D., Yahaya, N., Meijden, H. V. D., Mohd Zaid, N., A Rashid, A. H., & Hashim, S. (2021). Online Reciprocal Peer Tutoring Approach in Facebook: Measuring Students’ Critical Thinking. International Journal of Emerging Technologies in Learning (iJET), 16(23), pp. 16–28. https://doi.org/10.3991/ijet.v16i23.27451