Philosophy for AS / Michael Lacewing
Student workbook to accompany : how to design and evaluate research in education / Jack R. Fraenkel, Norman E. Wallen
Pengantar penelitian dalam pendidikan / Arief Furchan;Penyunting:Adib Abdushomad
Penelitian dan penilaian pendidikan / Nana Sudjana, Ibrahim
New directions for college learning assistence / Kurt V. Lauridsen
Metodologi penelitian sosial / John W. Best