utami, Arie, Johan Johan, Tri Budi Prasetyo, and Mia Amalia. “Ecobrick Sofa Design Is Environmentally Friendly Using The House Of Quality Method And The Boston Consulting Group (Bcg) Method”. Jurnal Improsci 2, no. 2 (October 14, 2024): 74–94. Accessed June 27, 2026. https://annpublisher.org/ojs/index.php/improsci/article/view/376.