Suprihartini, L., D. Herdiansyah, and M. 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, Vol. 12, no. 5, Dec. 2022, pp. 3730-6, doi:10.35335/enrichment.v12i5.877.