Gaya APA
Putra, I, M.
(2021).
Business Model And Business Plan Di Era 4.0
(
Cet. 2)
.
Yogyakarta:
QUADRANT.
Gaya MLA
Putra, Indra, Mahardika.
"Business Model And Business Plan Di Era 4.0".
Cet. 2
Yogyakarta:
QUADRANT,
2021.
Text.