I. R. Hariyanto, R. Purnamasari, A. Y. Zuhdy, Y. N. Wibowo, K. Yudoprasetyo, and R. S. Martiningsih, “Time and Cost Efficiency Comparison of Conventional and Half-Slab Methods in High-Rise Building Construction”, IJOE, vol. 12, no. 1, pp. 78–93, Aug. 2026.