Ghifary, R. “Factors of Consumer Purchase Intentions in Purchasing EcoLink Lighting Products in Sidoarjo: A Qualitative Analysis”. Jurnal Ilmiah Manajemen Kesatuan, vol. 11, no. 3, Dec. 2023, pp. 1145-52, https://jurnal.ibik.ac.id/index.php/jimkes/article/view/2253.