Rujukan

nana_sizukara2059. (2011, Mac 28). Lingkaran Soalan. Retrieved from http://www.sbribd.com: https://www.scribd.com/presentation/51720968/LINGKARAN-SOALAN

Nur Ashwa, N. S. (2009, mac 31). KEMAHIRAN BERFIKIR Alat CoRT 1. Retrieved from slideshare: https://www.slideshare.net/nsmm/kb-alat-co-r-t-1

ozi, i. (2016, Mei 16). Blog Cikgu Rozi. Retrieved from rozilaibrahin16.blogspot.my: http://rozilaibrahim16.blogspot.my/2016/05/soalan-dan-penyoalan.html

Syed Ismail, A. S. (2015). Kemahiran Belajar. Petaling Jaya, Selangor: Sasbadi Sdn. Bhd.