Yusman, Salsabila Farodis. “Pengaruh Pemberian Reinforcement Dan Motivasi Belajar Terhadap Hasil Belajar Siswa Kelas VII Mata Pelajaran IPS SMPN 27 Surabaya: The Effect of Giving Reinforcement and Learning Motivation on Student Learning Outcomes for Class VII Social Studies Subjects at SMPN 27 Surabaya”. Jurnal Dialektika Pendidikan IPS, vol. 2, no. 2, Aug. 2022, pp. 192-05, doi:10.26740/penips.v2i2.48606.