olemus
võrkgraafiku edasiarendus, plaanimiseks kasutatav skeem või
tabel, mis kujutab protsesse, sündmusi, korralduslikke seoseid
= a visual representation technique that depicts the activities involved in a project

ülevaateid
https://en.wikipedia.org/wiki/Precedence_diagram_method

http://study.com/academy/lesson/precedence-diagram-method-in-project-management.html

https://www.wrike.com/blog/precedence-diagr

https://www.invensislearning.com/blog/precedence-diagramming-method/

https://project-management.info/pdm-precedence-diagramming-method/

näiteid
http://slideplayer.com/slide/5279023/17/images/21/Precedence+diagram+method+(PDM)+House+project+Summary+activity:+Planning+%2310.jpg

https://duckduckgo.com/?t=h_&q=%22precedence+diagram%22&iax=images&ia=images