alumni of DAFT Undip,  Franciskus Xaverius Yudhistira Ricky Kurnia has submitted his thesis of “MORFOLOGI BANGUNAN CAGAR BUDAYA GEREJA GEREFORMEERD SEMARANG”  about the process of morphing and changing of Gereformeerd Church in Semarang from the begining until present as heriage building. None of publication could be found unless this e-prints.

source : undip e-print