Silalahi, C. T., A. F. Alwie, and R. L. Garnasih. “Marketing Mix Analysis of Purchasing Decisions and Consumer Satisfaction of Palm Harvesting Equipment at PT. Carosteel Media Panen”. Indonesian Journal of Economics, Social, and Humanities, vol. 8, no. 2, June 2026, pp. 157-70, doi:10.31258/ijesh.8.2.157-170.