Creators Unknown Contributors Unknown Publisher Universitas Kristen Petra Language Indonesian Theme Petra Chronicle Category Books published annually as a compendium, report, or summary of the statistics or facts of a calendar year and intended as reference books, limited to a special subject. Sub category Unknown Source Universitas Kristen Petra dies natalis XVI, Biro Administrasi Kemahasiswaan dan Alumni Subjects PETRA CHRISTIAN UNIVERSITY-ALUMNI AND ALUMNAE; UNIVERSITAS KRISTEN PETRA--ALUMNI AND ALUMNAE