Suprianik, and 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 (2):2180-98. https://doi.org/10.70610/jcpa.1890.