Siregar, H. A.; Rahmadi, H. Y.; Wening, S.; Suprianto, E. FATTY ACID AND CAROTENE COMPOSITION IN ELAEIS OLEIFERA, INTERSPECIFIC HYBRID, AND THE FIRST PSEUDO-BACKCROSS IN NORTH SUMATRA, INDONESIA. J. Penelitian Kelapa Sawit 2018, 26, 91-101.