Ajayi, O. A., and K. A. Adewale. “Design of Classroom Climate and Teaching Effectiveness Observation Schedule (CLATEOS) for Classroom Interaction and Time Sampling”. Journal of Speacialised and Professional Education, vol. 8, no. 1, Nov. 2025, pp. 122-9, https://journals.tasued.edu.ng/index.php/josped/article/view/329.