Ritonga, Puja, AND 		Gumolung, Dokri.
" Pengaruh Penggunaan Simulasi Virtual Laboratorium PhET (Physics Education Technology) Terhadap Hasil Belajar Siswa Pada Materi Geometri Molekul di MAN 1 Bitung" <em>Oxygenius: Journal Of Chemistry Education</em> [Online], Volume 3 Number 2 (31 December 2021)