Open AccessMANFAAT TUFA TOBA SEBAGAI MATERIAL BAHAN BANGUNAN DAN PENGERAS JALAN DI KOTA PARAPAT
Author(s) -
Sri Wahyuni Tarigan,
Jusra Tampubolon
Publication year - 2019
Publication title -
zenodo (cern european organization for nuclear research)
Language(s) - Italian
DOI - 10.5281/zenodo.3567703
Subject(s) - tufa , geology , materials science , metallurgy , carbonate