P. Purnamawati, “UPAYA MENINGKATKAN HASIL BELAJAR KIMIA MELALUI MODEL PENDEKATAN IBL (INQUIRI BASED LEARNING) PADA SISWA KELAS XI BUSANA SMK NEGERI 3 PEKANBARU: Efforts to Improve Chemistry Learning Outcomes through an Inquiry Based-Learning IBL Model for Class XI Students in SMK Negeri 3 Pekanbaru”, Perspektif, vol. 9, no. 02, pp. 20–26, Oct. 2018.