Gaya APA
Ihsan, T.
(2020).
Enviroaction 2020 : Better To Be Busy Than To Be Busy
.
Padang:
LPPM Universitas Andalas.
Gaya MLA
Ihsan, Taufiq.
"Enviroaction 2020 : Better To Be Busy Than To Be Busy".
Padang:
LPPM Universitas Andalas,
2020.
Teks.