Prameswari, D., S. ., B. H. Saharjo, B. Wasis, and P. Pamoengkas. “Utilization of Biopore Infiltration Hole and Cross Drain Technology to Improve Root Geometry and Mycorrhizal Colonization in Skidding Road”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 18, no. 1, Aug. 2014, pp. 79-94, https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/2679.