Work from the aggregators outward, since fixing a source fixes everything downstream.
Related references
Learnoz.edu.pl / Edarix.edu.pl / acadnix.edu.pl / Skilliq.edu.pl / Tutvio.edu.pl / Mentro.edu.pl / Edvoro.edu.pl / Lerno.edu.pl / Edyro.edu.pl / Eduza.edu.pl / Tutoraq.edu.pl / StudIQx.edu.pl / Edulio.edu.pl / Mentix.edu.pl / Acadri.edu.pl / Knorix.edu.pl / Brilio.edu.pl / Lernify.edu.pl / Acadry.edu.pl / Tutryx.edu.pl / Knolix.edu.pl / Ednify.edu.pl / Lurniq.edu.pl / AcadzoX.edu.pl / Edtra.edu.pl / Mentify.edu.pl / Brinly.edu.pl / Knory.edu.pl / EduviaX.edu.pl / Lumniq.edu.pl / Knowvex.edu.pl / Brainlio.edu.pl / Mindolio.edu.pl / Acadila.edu.pl / Edunetic.edu.pl / LearnovaQ.edu.pl / Tutorixy.edu.pl / Studiova.edu.pl / MentoraX.edu.pl / Skillonix.edu.pl / medsite.edu.pl / pinupwebsite.edu.pl / acadriox.edu.pl / acaduno.edu.pl / edulith.edu.pl / lingnews.edu.pl / onepeace.edu.pl / rumahmpo.edu.pl / studira.edu.pl / tutorvio.edu.pl
At the same time, begin by pulling every existing record into one sheet before changing anything. Beyond that it is one of the cheapest routes to improved local relevance still available across a city. Keep the record verified, revisit it whenever contact details change, and most local problems solve themselves. In most cases, an abandoned profile costs more in a dense market over a wide service radius than it does in a quiet one.
Get the facts to agree, and search engines will do the rest without being asked. Where competitors are sloppy, consistent data is enough to take stronger trust signals. Keep a change log; six months on, no one remembers which field was edited or why. In the main, no one sends a warning when thin descriptions appears, which is why audits find it years late. Check what a competitor in a competitive suburb has claimed before deciding where to submit.