APA Style
Margono, Gaguk. ().
The difficulties in some Mathematics .
:
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Chicago Style
Margono, Gaguk.
The difficulties in some Mathematics .
:
,
.
.
MLA Style
Margono, Gaguk.
The difficulties in some Mathematics .
:
,
.
.
Turabian Style
Margono, Gaguk.
The difficulties in some Mathematics .
:
,
.
.