kunwijaya, indrajati. “Mereduksi Prokrastinasi Akademik Siswa SMP Melalui Layanan Penguasaan Konten Dengan Teknik Self Management”. Indonesian Journal of Guidance and Counseling: Theory and Application 7, no. 3 (September 25, 2018): 44-48. Accessed May 4, 2024. https://journal.unnes.ac.id/sju/jbk/article/view/20032.