URN:NBN:SI:doc-2H00HNK72017Jerkovič, Romanadocuments/doc/2/URN_NBN_SI_doc-2H00HNK7_001.pdfdocuments/doc/2/URN_NBN_SI_doc-2H00HNK7_001.txt19125 i. e. 27articlestr. 71-720354-0421294931200URN:NBN:SI:doc-2H00HNK7slvDidaktaDidaktaInCecologyekologijaenvironmental protectionsustainable developmenttrajnostni razvojvarstvo okolja