Rufaidah, L., 		Umamah, N., 		Sumardi, S., & 		Surya, R.
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THE DIFFERENCE OF PROBLEM BASED LEARNING MODELS & INFORMATION TECHNOLOGY-BASED SELF-DIRECTED LEARNING MODELS ON THE INDEPENDENCE AND  LEARNING OUTCOMES.
<em>JURNAL HISTORICA, 4</em>(2), 138-156.
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