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 (Aug. 2026), 2180–2198. DOI:https://doi.org/10.70610/jcpa.1890.