yuyun started following the work of Jenny Mochtar, Petra Christian University, English Department. 2012-05-25 06:25:32 -0700

yuyun started following the work of Agung Yudha, The University of Hong Kong, Law. 2012-05-21 03:53:49 -0700

yuyun started following the work of Wahyu Effendy. 2012-05-18 01:38:59 -0700