Kristy, Dije. “Manajemen Waktu, Dukungan Sosial, Dan Prokrastinasi Akademik Siswa Kelas XI SMA”. Indonesian Journal of Guidance and Counseling: Theory and Application 8, no. 1 (June 27, 2019): 49-54. Accessed May 13, 2024. http://journal.unnes.ac.id/sju/jbk/article/view/27736.