Nusa Putra
Research and development : penelitian dan pengembangan: suatu pengantar
RajaGrafindo Persada, 2015
 Buku Teks
Nusa Putra
Research and development : penelitian dan pengembangan: suatu pengantar
RajaGrafindo Persada, 2012
 Buku Teks
The European Journal of Development Research
Frank Cass & Co. Ltd.,
 Majalah, Jurnal, Buletin
Zulfia Hanum Alfi Syahr
Improving the function of the supreme court research and development center (implementation of QSPM and SWOT)
Research and Development Agency Ministry of Home Affairs, 2018
 Artikel Jurnal
Gill, John
Research Methods Managers / John Gill
Paul Chapman Publishing, 1991
 Buku Teks