Ningsih, Dwi Retno, Kartini Kramadibrata, and Agustin Wydia Gunawan. 2014. “Arbuscular Mycorrhizal Fungi in Bisbul Trees (Diospyros Blancoi) in Bogor”. BIOTROPIA 20 (2). https://doi.org/10.11598/btb.2013.20.2.381.