RT Journal Article SR Electronic T1 Why Not Diversify Internationally With ADRs? JF The Journal of Portfolio Management FD Institutional Investor Journals SP 75 OP 82 DO 10.3905/jpm.1993.75 VO 19 IS 2 A1 Mahmoud Wahab A1 Amit Khandwala YR 1993 UL https://pm-research.com/content/19/2/75.abstract AB