Warsiti, I. (2012). Management of Teaching and Learning byconstructivism method on doing Administration Procedure in letter arranging ability tostudent X Office Administration SMK Nasional Patiof Education.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWarsiti, Indiyah. Management of Teaching and Learning Byconstructivism Method on Doing Administration Procedure in Letter Arranging Ability Tostudent X Office Administration SMK Nasional Patiof Education. 2012.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWarsiti, Indiyah. Management of Teaching and Learning Byconstructivism Method on Doing Administration Procedure in Letter Arranging Ability Tostudent X Office Administration SMK Nasional Patiof Education. 2012.
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