SulendraK. 2023. The STUDY OF RESISTANT EARTHHQUAKE BUILDING OF TIMBER ROOFS STRUCTURE AND ITS RETROFIT AND REDESIGN AFTER THE SEPTEMBER 28 2018 EARTHQUAKE. Jurnal Sains dan Teknologi Tadulako. 9, 1 (Apr. 2023), 19-27. DOI:https://doi.org/10.22487/jstt.v9i1.445.