WIDINUGROHO A, MODOUW J. EFEKTIFITAS PEMBERIAN TUNJANGAN SERTIFIKASI GURU TERHADAP KINERJA GURU IPA DAN PRESTASI BELAJAR IPA SISWA SMP/MTs DI JAYAPURA. J. IPI [Internet]. 2018 Jul. 3 [cited 2025 Aug. 6];4(1):1-15. Available from: https://mail.ejournal.uncen.ac.id/index.php/JIPI/article/view/363