Gaya APA
sudrajat, ., subana,M, .
(2020).
Dasar-Dasar Penelitian Ilmiah
(
cet.3)
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Bandung:
Pustaka setia.
Gaya MLA
sudrajat, ., subana,M, .
"Dasar-Dasar Penelitian Ilmiah".
cet.3
Bandung:
Pustaka setia,
2020.
Text.