Beyond bibliometrics : harnessing multidimensional indicators of scholarly impact
Bibliometrics and research evaluation : uses and abuses
Metodologi Research I,II,III : untuk Laporan, skripsi, thesis dan disertasi
Research in education.
Research in Education: Pearson New International Edition : Evidence-Based Inquiry
Understanding case study research : small-scale research within meaning
Action research : a guide for the teacher researcher
Designing and conducting survey research : a comprehensive guide
Program evaluation :alternative approaches and practical guidelines
Online panel research :a data quality perspective