Umar, Muhammad Zakaria. “Local Wisdom of Builders on The Quality of Making Concrete in Kendari City Southeast Sulawesi Province”. Local Wisdom : Jurnal Ilmiah Kajian Kearifan Lokal 13, no. 2 (August 6, 2021): 152–164. Accessed January 22, 2025. https://jurnal.unmer.ac.id/index.php/lw/article/view/5565.