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Dita Margareth Hutagalung N, Khadijah K, Rahman F. Pengembangan Book Planner Self Management sebagai Media Pengelolaan Prokrastinasi Akademik Siswa SMA. AJPP [Internet]. 2026 Jun. 17 [cited 2026 Nov. 11];5(2):936-42. Available from: https://www.jurnal.ardenjaya.com/index.php/ajpp/article/view/2684