Adu-Gyamfi Ernest & American Research Institute for Policy Development. The Effect of Illegal Mining on School Attendance and Academic Performance of Junior High School Students in Upper Denkyira West District of Ghana.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Adu-Gyamfi Ernest و American Research Institute for Policy Development. The Effect of Illegal Mining on School Attendance and Academic Performance of Junior High School Students in Upper Denkyira West District of Ghana.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Adu-Gyamfi Ernest و American Research Institute for Policy Development. The Effect of Illegal Mining on School Attendance and Academic Performance of Junior High School Students in Upper Denkyira West District of Ghana.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.