Nur Rachman; Ali, M. S.; Tamam, A. B.; Wahyudi, T.; Effendi, S.; Aritonang, S.; Iqbal, M. Subspecies Range of Little Known North Sumatran Prevost’s Squirrel Callosciurus Prevostii Piceus (Rodentia: Sciuridae). BIO PALEMBANICA 2024, 1, 91-96.