Dejbhimon, Ketsuda, and Pongsiri Patcharapreecha. 1993. “Utilization of PVA for Reclamation of the Salt-affected Soils in Northeast Thailand. Part 1 : Laboratory Experiments”. Thai Agricultural Research Journal 11 (3):120-26. https://doi.org/10.14456/thaidoa-agres.1993.16.