TY - BOOK ED - Pashun Consulting. TI - Scrum master certification: Training & PSM 1Exam preparation SN - 9781535028004 (pasta blanda) U1 - 005.1 S435 21 edición. PY - 2017/// CY - Columbia, SC. PB - Octane Army Publishing KW - Professional Scrum Master KW - Preparation ER -