JR, J. J. R. (2016). Students' perception and problem solving skills in learning physics through project-based learning (egg drop project).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)JR, Jeffry Juan Rosales. Students' Perception and Problem Solving Skills in Learning Physics Through Project-based Learning (egg Drop Project). 2016.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)JR, Jeffry Juan Rosales. Students' Perception and Problem Solving Skills in Learning Physics Through Project-based Learning (egg Drop Project). 2016.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.