Karnbut, T., and T. Banterng. “Brand Image and Brand Communication of an Electric Motorcycle Manufacturer: A Qualitative Case Study of I-MOTOR”. Journal of Humanities and Social Sciences, Rajapruk University, vol. 12, no. 2, Aug. 2026, pp. 480-98, https://so03.tci-thaijo.org/index.php/rpu/article/view/297409.