Vo, Au Trung, et al. “Evaluation of Different Vietnamese Soils As Potential Source of Arbuscular Mycorrhizal Fungal Inoculum in Capsicum Frutescens”. COLUMELLA – Journal of Agricultural and Environmental Sciences, vol. 2, no. 2, Dec. 2015, pp. 49-58, https://doi.org/10.18380/SZIE.COLUM.2015.2.2.49.