Suprianik, & Mariyah Ulfah. (2026). The Effectiveness of the Eco-Pesantren Program in Creating Economic Value Through Green Product Development at Baitul Hikmah Islamic Boarding School, Tempurejo, Jember. Journal of Creative Power and Ambition (JCPA), 4(02), 2180–2198. Retrieved from https://edujavare.com/index.php/jcpa/article/view/1890