RT Journal Article SR Electronic T1 Programing the three-phase dividend discount model JF The Journal of Portfolio Management FD Institutional Investor Journals SP 74 OP 74 DO 10.3905/jpm.1980.408732 VO 6 IS 2 A1 Robert M. Soldofsky YR 1980 UL https://pm-research.com/content/6/2/74.abstract AB