Apriliyani, Putri, and Siti Nurul Hidayati. 2020. “APPROPRIATENESS OF POCKETBOOK (HANDOUT) USING BARCODE THEMED ENVIRONMENTAL POLLUTION TO TRAIN THE DIGITAL LITERATION OF VII JUNIOR HIGH SCHOOL”. PENSA E-JURNAL: PENDIDIKAN SAINS 8 (3):204-8. https://doi.org/10.26740/pensa.v8i3.38387.