Cahyo, K., M. Martini, and E. Riana. “Perancangan Sistem Informasi Pengelolaan Kuesioner Pelatihan Pada PT Brainmatics Cipta Informatika”. Journal of Information System Research (JOSH), Vol. 1, no. 1, Oct. 2019, pp. 45-53, https://ejurnal.seminar-id.com/index.php/josh/article/view/44.