Suprihartini, Lia, Dedi Herdiansyah, and Meizi Fahrizal. “The Effects of Green Product Knowledge, Perceived Price and Government Policy on Green Purchase Intention in Buying Hybrid Motor Vehicles”. Enrichment : Journal of Management 12, no. 5 (December 3, 2022): 3730-3736. Accessed October 26, 2025. http://enrichment.iocspublisher.org/index.php/enrichment/article/view/877.