- EbookEkomomi, Bisnis, Regulasi & Kebijakan TelekomunikasiSigit Haryadi
- EbookTelecommunication Service and Experience QualitySigit Haryadi
- EbookTelecommunications TrafficSigit Haryadi
- EbookTekno Religi Kumpulan Syair Dakwah Berbasis TeknologiSigit Haryadi
- EbookPapers on the field QoS Measurement Of Services in mobile networks Using Aggregation MethodSigit Haryadi
- EbookPapers on the fieldSigit Haryadi