Systematic Literature Review on Decision-Making of Requirement Engineering from Agile Software Development. - Reginald Putra Ghozali; Herry Saputra; M. Apriadin Nuriawan; Suharjito; Ditdit Nugeraha Utama; Ariadi Nugroho (ICCSCI, 2019)

Six Sigma for Evaluating Electronic Signature in eProcurement System: A Case Study. - Eko Cahyo Nugroho; Herry Saputra; Davy Yeria Gunarso; Antoni Wibowo; Ditdit Nugeraha Utama (APCoRISE, 2021)