F. A. A. Azhari, M. R. Anas, A. P. Mulia, G. C. R. Hasibuan, and A. V. Mardianta, “Performance Evaluation of a Construction Materials Testing Laboratory in the Implementation of ISO/IEC 17025:2017 ”, Astonjadro, vol. 15, no. 1, pp. 206–214, Mar. 2026.