Sulendra K. The STUDY OF RESISTANT EARTHHQUAKE BUILDING OF TIMBER ROOFS STRUCTURE AND ITS RETROFIT AND REDESIGN AFTER THE SEPTEMBER 28 2018 EARTHQUAKE. jstt [Internet]. 20Apr.2023 [cited 5Nov.2024];9(1):19-7. Available from: http://jurnal.pasca.untad.ac.id/index.php/jstt/article/view/445