Siregar, Nur Wahyuni, Ratih Amelia, Charles Barkley, Agus Susanto, and Zakia Fadila. 2025. “Analysis of Marketing Strategies in Improving Service Quality at Aska Printing and Photocopy Services”. Journal of Business Integration Competitive 1 (2):116-24. https://doi.org/10.64276/jobic.v1i2.22.