Puspita, Anastasya Dyah, Muhaimin Dimyati, and Ratih Rachmawati. 2020. “The Application of CAPM As A Basis For Determining The Return Level, Risk To Determine The Efficient Stock Group On Companies Listed On Indonesia Stock Exchange”. ABM: International Journal of Administration, Business and Management 1 (1), 61-73. https://doi.org/10.31967/abm.v1i1.385.