N. F. A. Zainal, R. Din, N. A. Abd Majid, M. F. Nasrudin, and A. H. Abd Rahman, “Primary and Secondary School Students Perspective on Kolb-based STEM Module and Robotic Prototype”, Int. J. Adv. Sci. Eng. Inf. Technol., vol. 8, no. 4-2, pp. 1394–1401, Sep. 2018.