There are many different things to consider when choosing which journal to publish in. Who are you publish for, which journals are they reading, what Open Access requirements do your financiers have, is it important to publish in a high-ranking journal, etc.
Read this article from International Journal of Doctoral Studies. It contains different issues to consider.
Search in relevant databases- either a general scientific database or a subject databases using focused keywords. sort records by "source" to see journals.