Multifunctional platform OPI-TPP for post-mining areas management - supportive tool for environmental impact assessment in the Silesia VoivodeshipJan Bondaruk, Adam Hamerla and Karolina Jąderko-SkubisMATEC Web Conf., 305 (2020) 00048DOI: https://doi.org/10.1051/matecconf/202030500048