hierarchical design of program
hierarchical dialogue structure
hierarchical diffusion
hierarchical diffusion of information
hierarchical direct (HD)
hierarchical direct access method
hierarchical direct access method (HDAM)
hierarchical direct organization
hierarchical direct organization (HD organization)
hierarchical dialogue structure
hierarchical diffusion
hierarchical diffusion of information
hierarchical direct (HD)
hierarchical direct access method
hierarchical direct access method (HDAM)
hierarchical direct organization
hierarchical direct organization (HD organization)
hierarchical direct (HD)