Simarmata TO, Suzanti F, Suwondo S. Development of Handout on Biodiversity Material Based on Gastropod Diversity in The Mangrove Ecosystem of Kayu Ara Permai Village, Siak Regency. JELR [Internet]. 2026 May 10 [cited 2026 Jun. 24];3(3):100-9. Available from: https://jelr.greadc.org/index.php/jelr/article/view/80