Permatasari, B. D., Gunarhadi, G., & Riyadi, R. (2019). The influence of problem based learning towards social science learning outcomes viewed from learning interest. Institute of Advanced Engineering and Science.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Permatasari, Berti Dyah, Gunarhadi Gunarhadi, و Riyadi Riyadi. The Influence of Problem Based Learning Towards Social Science Learning Outcomes Viewed from Learning Interest. Institute of Advanced Engineering and Science, 2019.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Permatasari, Berti Dyah, et al. The Influence of Problem Based Learning Towards Social Science Learning Outcomes Viewed from Learning Interest. Institute of Advanced Engineering and Science, 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.