As of 1 April 2026, the PSJD database will become an archive and will no longer accept new data. Current publications from Polish scientific journals are available through the Library of Science: https://bibliotekanauki.pl
Evaluation of water quality in open channels flowing through Beni-Mellal City (Morocco) / Ocena jakości wody w otwartych kanałach płynących przez miasto Beni-Mellal (Maroko)