Yanti, Wahid Andri. “PERSEPSI SISWA SMP KELAS 7 TERHADAP KONSEP PEMANASAN GLOBAL”. PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL), vol. 4, Oct. 2015, pp. SNF2015-IV, https://journal.unj.ac.id/unj/index.php/prosidingsnf/article/view/5016.