*Inadequate preparation (lack of study, relying on poor sources of information, etc.).
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Factors that hinder achievement include:<ref>[https://stekom.ac.id/en/article/5-factors-that-hinder-success 5 Factors That Hinder Success], STEKOM UNIVERSITY website</ref>
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*Inadequate preparation (lack of study, relying on poor sources of information, etc.). Laziness in upgrading new skills.