Identifikasi Tumbuhan Penghasil Polen dari Madu Lebah Tanpa Sengat di Belitung: Identification of Plants as Pollen Source in Honey of Stingless Bee Heterotrigona itama and Tetragonula laeviceps from Belitung - Setya Priambudi , Abyan (Departemen Biologi, Institut Pertanian Bogor, 2021)