Gaya APA

DAHLAN, SOPIYUDIN. (). MENELAAH VALIDITAS PENELITIOAN OBSERVASIONAL . : .

Gaya Chicago

DAHLAN, SOPIYUDIN. MENELAAH VALIDITAS PENELITIOAN OBSERVASIONAL. : , . Text.

Gaya MLA

DAHLAN, SOPIYUDIN. MENELAAH VALIDITAS PENELITIOAN OBSERVASIONAL. : , . Text.

Gaya Turabian

DAHLAN, SOPIYUDIN. MENELAAH VALIDITAS PENELITIOAN OBSERVASIONAL. : , . Print.