Razali, Ir, University of Sumatera Utara, Indonesia
Vol 7, No 1,Jan (2019) - Articles
Study of Soil Acidity, Organic Carbon and Texture of Ultisol in Several Vegetation at Durian Baggal, District of Raya Kahean (Case Study: Semi Critical Land in Region Of Sibarau Water-Shed) AbstractPDF
Creative Common Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)