“PEMANFAATAN LIMBAH TEMPURUNG KELAPA SEBAGAI SUBSTITUSI AGREGAT KASAR PADA BETON: UTILIZATION OF COCONUT SHELL WASTE AS A SUBSTITUTE FOR COARSE AGGREGATE IN CONCRETE” (2025) CONCRETE: Construction and Civil Integration Technology, 3(02), pp. 207–215. doi: 10.25139/concrete.v3i02.10525.