• Scheduling under resource constraints emerged as a core paradigm, unifying resource-aware sequencing, constraint handling, and network-informed planning through diverse procedures [2], [5], [8], [11], [20].

• R&D project selection and decision support crystallized as a multi-method problem, combining Q-sort/nominal-group techniques, decision criteria consensus, and model-based assessments to prioritize research portfolios [1], [7], [13], [14], [15].

• Management by Objectives and related motivation theories shaped performance-oriented project management, using MBO programs, objective alignment, and instrumentality-expectancy constructs to explain productivity and project success [3], [4], [9], [16], [17].

• Team collaboration and work-unit design emerged as key determinants of R&D performance, highlighting inter-team coordination, contingent work-unit structures, and project architecture shaping outcomes [10], [12], [19].

• Evaluation, governance, and budgeting frameworks underpinned project performance assessment, emphasizing flexible evaluation design, budget allocation in large organizations, and consensus-driven selection criteria [6], [7], [17], [18].