Widodo, S., Alfirahma, R., Prawiranegara, A., Amir, M. F., & Dewi, A. (2023). Development of Eco-friendly Self-compacting Concrete Using Fly Ash and Waste Polyethylene Terephthalate Bottle Fiber. Civil Engineering Journal, 9(2), 437–452. https://doi.org/10.28991/CEJ-2023-09-02-014