Sri Wiwoho Mudjanarko, Nawir Rasidi , Hendro Sutowijoyo , Koespiadi , Ari Sunantiyo , Arthur Daniel Limantara , Mohd Haziman Wan Ibrahim. 2020. “Analysis of The Model of the Use of Hollow Type A Foundation for Small Houses”. International Journal of Advanced Science and Technology 29 (10s), 1443 -47. http://sersc.org/journals/index.php/IJAST/article/view/14657.