SIMARMATA, Tia Oktaria; SUZANTI, Fitra; SUWONDO, Suwondo. Development of Handout on Biodiversity Material Based on Gastropod Diversity in The Mangrove Ecosystem of Kayu Ara Permai Village, Siak Regency. Journal of Education and Learning Research, [S. l.], v. 3, n. 3, p. 100–109, 2026. DOI: 10.62208/jelr.3.3.p.100-109. Disponível em: https://jelr.greadc.org/index.php/jelr/article/view/80. Acesso em: 10 may. 2026.