D.H. Gall
D.H. Gall has written at least 1 book. Their most popular book is SYSTEMANTICS. THE SYSTEMS BIBLE with 7 saves with an average rating of 3.5⭐.
SYSTEMANTICS. THE SYSTEMS BIBLE
ByJohn Gall
1977 • 7 Readers • 3.5
D.H. Gall has written at least 1 book. Their most popular book is SYSTEMANTICS. THE SYSTEMS BIBLE with 7 saves with an average rating of 3.5⭐.
1977 • 7 Readers • 3.5