Dedy Ruzwardy, J. Harahap, and H. . Pradana Syahran. “ANALYSIS OF FIRE PROTECTION SYSTEM ON THE MULTIFUNCTIONAL LABORATORY BUILDING OF AR-RANIRY STATE ISLAMIC UNIVERSITY BANDA ACEH INDONESIA”. Lingkar: Journal of Environmental Engineering, vol. 4, no. 1, July 2023, pp. 45-56, doi:10.22373/ljee.v4i1.2722.