TY - CONF T1 - Initial strength of graded concrete beams on varying concrete strength JO - AIP Conference Proceedings UR - http://dx.doi.org/10.1063/5.0093868 PY - 2022/06/29 AU - Afdila ZN AU - Andi P. MF AU - Pratama MMA ED - DO - DOI: 10.1063/5.0093868 PB - AIP Publishing Y2 - 2024/12/28 ER -