Altium tutorial-14: how to design multi-part symbols in altium/design Altium schematics #05: example of multilevel hierarchical design
ALTIUM TUTORIAL-14: How To Design MULTI-PART SYMBOLS IN ALTIUM/Design
Altium Schematics #05: Example of multilevel hierarchical design - YouTube
ALTIUM TUTORIAL-14: How To Design MULTI-PART SYMBOLS IN ALTIUM/Design