Intara IW, Werdantari NLM, Jaya IM, Krismayanti IGAA. The effect of choosing slab thickening or adding secondary beams on the cost of reinforced concrete structure. IRJEIS [Internet]. 2026 Jul. 27 [cited 2026 Sep. 15];12(4):104-12. Available from: http://sloap.org/journals/index.php/irjeis/article/view/2617