Sinaga, Parlindungan, Sekolah Pasca Sarjana, Universitas Pendidikan Indonesia, Jl. Dr. Setiabudhi No. 299 Bandung, Indonesia, Indonesia

• Vol 7, No 6 (2019): Jurnal Bioterdidik - Articles
  Pengembangan Bahan Ajar Gerak Benda Angkasa Menggunakan Four Steps Teaching Material Development
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