A software artefact to support standard-based process assessment: Evolution of the TIPA® framework in a design science research project - ScienceDirect
Using a Process Assessment Model to prepare for an ISO/IEC 20000-1 certification: ISO/IEC 15504-8 or TIPA for ITIL ?
TIPA Process Assessments:
Itil®のためのtipa® | PDF
プロセス改善 |ITプレナーズ
Stéphane Cortina sur LinkedIn : TIPA Assessor for ITIL & TIPA Lead Assessor