Items where Author is "Sipayung, Putri Winda Permasari"
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Thesis
Sipayung, Putri Winda Permasari (2019) THE IMPLEMENTATION OF REINFORCEMENT TO IMPROVE GRADE X STUDENTS’ DISCIPLINE AT BOPKRI I SENIOR HIGH SCHOOL = PENERAPAN PENGUATAN UNTUK MENINGKATKAN DISIPLIN SISWA KELAS X DI SMA BOPKRI I. Bachelor thesis, Universitas Pelita Harapan.
