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.
Chicago-viite (17. p.)Adu-Gyamfi Ernest ja 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.
MLA-viite (9. p.)Adu-Gyamfi Ernest ja 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.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.