Nasution, S. Metode research (penelitian ilmiah): Usul tesis, desain penelitian, hipotesis, validitas, sampling, populasi, observasi, wawancara, angket / S. Nasution. Bumi Aksara.
Chicago Style CitationNasution, S. Metode Research (penelitian Ilmiah): Usul Tesis, Desain Penelitian, Hipotesis, Validitas, Sampling, Populasi, Observasi, Wawancara, Angket / S. Nasution. Bumi Aksara.
MLA CitationNasution, S. Metode Research (penelitian Ilmiah): Usul Tesis, Desain Penelitian, Hipotesis, Validitas, Sampling, Populasi, Observasi, Wawancara, Angket / S. Nasution. Bumi Aksara.
Warning: These citations may not always be 100% accurate.