PURNAMI, Cahya Tri. Instrumen “Perceive Stress Scale” Online. Suatu Alternatif Alat Pengukur Tingkat Stress Secara Mudah Dan Cepat. Seminar Nasional Pengabdian Kepada Masyarakat UNDIP 2020, [S.l.], june 2020. Available at: <https://proceedings.undip.ac.id/index.php/semnasppm2019/article/view/119>. Date accessed: 22 nov. 2024.