Items where Author is "Sinaga, Helen Valentin"
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Thesis
Sinaga, Helen Valentin (2018) PENGARUH MODEL PEMBELAJARAN KOOPERATIF TIPE GROUP INVESTIGATION TERHADAP PENGETAHUAN KONSEPTUAL SISWA PADA MATERI USAHA DAN ENERGI DI KELAS X SEMESTER II SMA NEGERI 4 BINJAI T.P 2017/2018. Undergraduate thesis, UNIMED.