Open AccessIntroduction
Author(s) -
Stanisław Liszewski
Publication year - 1987
Publication title -
turyzm/tourism
Language(s) - Uncategorized
Resource type - Journals
eISSN - 2080-6922
pISSN - 0867-5856
DOI - 10.18778/0860-1119.3.02
Subject(s) - variety (cybernetics) , tourism , sociology , social science , engineering ethics , political science , engineering , computer science , law , artificial intelligence