@misc{ais_repository_124631,
  title = {Pengaruh Problem Based Learning Berbasis Laboratorium Virtual Terhadap Hasil Belajar Kognitif Siswa SMP Pada Materi Pencemaran Lingkungan},
  author = {TRESSIA OKTERLINDA},
  year = {2026},
  publisher = {},
  howpublished = {Repository AIS},
  note = {oai:ais:library-item:33487}
}