Ampangallo BA, Ambali DPP. Comparison bending strength of simple reinforced concrete beams with bamboo reinforcement in the form of circle and square sections. INVOTEK [Internet]. 2021Jun.30 [cited 2026Jul.5];21(2):87-94. Available from: http://invotek.ppj.unp.ac.id/index.php/invotek/article/view/840