Syahrial, S., Asrial, A., Kurniawan, D.A. dan Kiska, N.D. 2021. Improving Environmental Care Characters Through E-Modules Based on Local Wisdom Mangrove Ecotourism. Jurnal Ilmiah Sekolah Dasar. 5, 3 (Agu 2021), 378–386. DOI:https://doi.org/10.23887/jisd.v5i2.35360.