DarlanNuzul Hijri, SiregarHasril Hasan, Eka Listia, and SutartaEdy Sigit. 2009. “<strong>RECENT EVALUATION OF RISING TEMPERATURE AND OIL PALM EXTENSION TO HIGHER ELEVATION IN NORTH SUMATRA</strong><Br&gt;(EVALUASI TERKINI KENAIKAN SUHU DAN PERLUASAN TANAMAN KELAPA SAWIT KE DATARAN TINGGI DI SUMATERA UTARA)”. Agromet 23 (2). Bogor, Indonesia, 112-22. https://doi.org/10.29244/j.agromet.23.2.112-122.