Gaya APA
PONGTIKU, A., LEUNG, B. (2017).
Grounded theory step by step revisited, beyond practical management .
Malang:
Universitas Brawijaya.
Gaya MLA
PONGTIKU, Arry., LEUNG, Big.
"Grounded theory step by step revisited, beyond practical management".
Malang:
Universitas Brawijaya,
2017.
Artikel.