Sissi started following the work of Kathryn Stofer, Oregon State University, Science and Mathematics Education. 2012-01-14 15:38:47 -0800

Sissi started following the work of Idaykis Rodriguez, Florida International University, Physics. 2011-08-16 10:36:54 -0700

Sissi started following the journal Physical Review Special Topics - Physics Education Research. 2011-08-11 23:02:02 -0700

Sissi Departmental written e-ex-exams.. 2009-06-08 17:26:04 -0700