KEKERINGAN CUACA DAN KEBAKARAN HUTAN DI TAMAN NASIONAL BERBAK, SUMATERAWEATHER DROUGHT INDEX AND FIRE IN BERBAK NATIONAL PARK, SUMATERA. (2003). Agromet, 17(1 & 2), 30-39. https://doi.org/10.29244/j.agromet.17.1 & 2.30-39