Setiyarto, Y. D.; Ipaenin, M. A. PENGARUH KOMBINASI ARANG DAN NATRIUM SILIKAT TERHADAP KUAT TEKAN DAN POROSITAS BETON PCC: THE EFFECT OF CHARCOAL AND SODIUM SILICATE COMBINATION ON THE COMPRESSIVE STRENGTH AND POROSITY OF PCC CONCRETE. JTSRB 2026, 12, 124-132.