1.
PENGARUH POSITIVE REINFORCEMENT TERHADAP HASIL BELAJAR SEJARAH SISWA DI SMA ADIGUNA BANDAR LAMPUNG. lentera [Internet]. 2018 May 10 [cited 2026 Apr. 24];11(1):71-80. Available from: https://jurnal.stkippgribl.ac.id/index.php/lentera/article/view/375