APA Style
PUTRA, I, M.
(2021).
Business Model and Business Plan Di era 4,0
(
ed. 2)
.
Jakarta:
Quadrant.
MLA Style
PUTRA, Indra, Mahardika.
"Business Model and Business Plan Di era 4,0".
ed. 2
Jakarta:
Quadrant,
2021.
Text.