Firdaus R, Siregar AH. Nahdlatul Ulama and Environmental Engagement in Coastal Bengkalis amid Ecological Crisis. JSAI [Internet]. 2025 Mar. 30 [cited 2025 Aug. 7];6(1):85-96. Available from: https://journal.ar-raniry.ac.id/index.php/jsai/article/view/7518