Oil Palm Industry Economic Journal Vol. 16 (1) March 2016 p. 31-37 Examining the Long-term Relationships between the Prices of Palm Oil and Soyabean Oil, Palm Oil Production and Export: Cointegration and Causality March 21, 2019August 29, 2018 by mpob_admin Ain Hassan* and N Balu* DOI: Available Online: FULL TEXT | DOWNLOAD ARTICLE