Vivian Wong Shao Yun, Norhidayah Md Ulang, Siti Hamidah Husain. Measuring the Internal Consistency and Reliability of the Hierarchy of Controls in Preventing Infectious Diseases on Construction Sites: The Kuder-Richardson (KR-20) and Cronbach’s Alpha. J. Adv. Res. Appl. Sci. Eng. Tech. [Internet]. 2023 Oct. 22 [cited 2024 May 16];33(1):392-405. Available from: https://semarakilmu.com.my/journals/index.php/applied_sciences_eng_tech/article/view/4297