Desy Safitri, Fahrurrozi Fahrurrozi, Arita Marini, Achmad Husen, Agung Purwanto, Wahyu Sri Ambar Arum, Maratun Nafiah
The Publisher has retracted this article in agreement with the Editor-in-Chief. An investigation by the publisher found a number of articles, including this one, with a number of concerns, including but not limited to compromised peer review process, inappropriate or irrelevant references, containing nonstandard phrases or not being in scope of the journal. Based on the investigation's findings the publisher, in consultation with the Editor-in-Chief therefore no longer has confidence in the results and conclusions of this article. Author Fahrurrozi Fahrurrozi has not responded to correspondence regarding this retraction. The Publisher has not been able to obtain a current email address for authors Achmad Husen, Maratun Nafiah, Agung Purwanto, Desy Safitri, Wahyu Arum and Arita Marini. © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2024.
Universitas Negeri Jakarta, Jakarta, Indonesia
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