Gaya APA

AISYAH, S., HARDIYATI, R. (2019). Co-authorship pattern in research on energy sector: a social network analysis . Surakarta: Muhammadiyah University Press.

Gaya MLA

AISYAH, Siti., HARDIYATI, Ria. "Co-authorship pattern in research on energy sector: a social network analysis". Surakarta: Muhammadiyah University Press, 2019. Artikel.