Items where Author is "Barus, Lolita"
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Barus, Lolita (2022) THE EFFECT OF PROBLEM BASED LEARNING MODEL ON ENVIROMENTAL CHANGE AND CONSERVATION TOPIC TOWARDS STUDENTS LEARNING OUTCOMES IN TENTH GRADE OF SCIENCE PROGRAMME OF SMA NEGERI 1 BERASTAGI ACADEMIC YEAR 2020/2021. Undergraduate thesis, UNIMED.