Ritonga, Putri Ulina, et al. “Pemanfaatan Sampah Daur Ulang Melalui Ecobrick Di Desa Tanjung Mulia, Kec.Tanjung Morawa”. Jurnal Pendidikan Tambusai, vol. 8, no. 3, Dec. 2024, pp. 47700-6, https://jptam.org/index.php/jptam/article/view/23114.