Prasetyo, Ridwan Aji Budi, et al. “The Effect of Ramadan Intermittent Fasting on Cognitive Work Performance: A Natural Experimental Approach”. Jurnal Teknik Industri: Jurnal Keilmuan Dan Aplikasi Teknik Industri, vol. 26, no. 1, June 2024, pp. 25-36, doi:10.9744/jti.26.1.25-36.