Tandi Kadang, Tiara, Andi Nurhasanah, Angga Kusumah, and Feti Fahmimroah. 2025. “ENHANCING SERVICE EFFICIENCY THROUGH AN EXCEL MACRO- BASED INFORMATION SYSTEM: EVIDENCE FROM SANKEN SAMARINDA SERVICE CENTER”. International Journal of Social Science, Educational, Economics, Agriculture Research and Technology (IJSET) 4 (11):667-72. https://doi.org/10.54443/ijset.v4i12.1527.