by Rabus, Achim, Petrov, Ivan N.
Published in Scando-slavica (02.01.2023)

by Petrov, Ivan N
Published in Studia Ceranea (30.12.2016)

by Minčev, Georgi, Leszka, Mirosław J, Marinow, Kirił, Skowronek, Małgorzata, Kompa, Andrzej, Petrov, Ivan N, Kawecka, Agata
Published in Studia Ceranea (2017)

by Brzozowska, Zofia A, Petrov, Ivan N
Year of Publication 2019

by Petrov, Ivan N
Published in Езиков свят - Orbis Linguarum (2009)

by PETROV,IVAN N, KHEZINA,JAROSLAV, SOKOLOV,MARGARIT D
Year of Publication 15.10.1981

by PENCHEV,PENCHO KH, DRAZHEV,VLADIMIR P, PETROV,IVAN N, KRIVORADEV,ISKRO I
Year of Publication 15.04.1987

by PENCHEV,PENCHO KH, DRAZHEV,VLADIMIR P, PETROV,IVAN N, KRIVORADEV,ISKRO I
Year of Publication 15.08.1986

by GEORGIEV,VALENTIN K.,BG, PETROV,IVAN N.,BG, POPOVA,LILJANA I.,BG, STOEV,IVAN G.,BG
Year of Publication 15.06.1988

by DOBRINOV,VELICZKO S, PETROV,IVAN N, ANDREEV,DOBROMIR G, MOSKOV,KRASIMIR V
Year of Publication 12.04.1978

by NANCHEVA, RADINA N, BALKANDZHIEVA, ZLATORUSKA I.,BG ZLATORUSKA I, PETROV,IVAN N, KHRISTOV,KHRISTO P, JJONCHEV,ALEKSANDR C
Year of Publication 15.09.1982