1. Abu Mansor, N. (2017). Pengukuran pengetahuan, amalan dan integriti pentaksiran bilik darjah dalam kalangan guru Reka Bentuk dan Teknologi. [Master’s thesis, Universiti Teknologi Malaysia]. Universiti Teknologi Malaysia
2. Almanasreh, E., Moles, R. & Chen, T.F. (2019). Evaluation of methods used for estimating content validity. Research in Social and Administrative Pharmacy, 15(2): 214–221. http://dx.doi.org/10.1016/j.sapharm.2018.03.066.
3. Curriculum Development Division (BPK)(2018). Panduan Pelaksanaan Pentaksiran Bilik Darjah. Kementerian Pendidikan Malaysia (1st ed.). Curriculum Development Division. http://jpnperak.moe.gov.my/ppdbagandatuk/attachments/article/3555/Panduan Pelaksanaan Pentaksiran Bilik Darjah 2018.pdf.
4. Creswell, J.W. (2014) Research design: Qualitative, quantitative and mixed methods approaches. (4th ed.). Thousand Oaks, CA.
5. Davis, L.L. (1992). Instrument review: Getting the most from a panel of experts. Applied Nursing Research, 5(4): 194–197. https://doi.org/10.1016/S0897-1897(05)80008-4