Motivation Problems addressed Contribution DISTRIBUTION PROBLEMS - AN OVERVIEW Supply Chain Management (SCM) Vehicle Routing Problem (VRP) A Two-Echelon Capacitated Vehicle Routing Problem (2E-CVRP) Capacitated Vehicle Routing Problem with Pick-up and Alternative Delivery (CVRPPAD) PURE APPROACHES - CHARACTERISTICS Mixed Integer Linear Programming (MILP) Constraint Logic Programming (CLP) HYBRID APPROACHES Comparison of CLP and MILP in the context of distribution problems Integration of CLP and MP (MILP) - an overview Original hybrid approach - the concept and assumptions Modeling in the hybrid approach Original hybrid approach - basics and principles Transformation formalization in the hybrid approach The idea of transformation and its conditions Transformation algorithm How the algorithm works - a step by step example Analysis of algorithm computational complexity TOWARDS UNIFIED MODELING AND SOLVING OF THE HYBRID FRAMEWORK FOR DISTRIBUTION PROBLEMS Architecture and basic assumptions of the hybrid programming framework (HPF) A hybrid approach to modeling and solving distribution problems Application of the hybrid framework for illustrative distribution problems Implementation of the SCM problem with the HPF Implementation of the 2E-CVRP with the HPF Implementation of the CVRPPAD with the HPF CONCLUSIONS AND FUTURE WORKS Appendices Appendix A. Description of facts Appendix B. Sets of facts for numerical experiments Appendix C. Formalization of the SCM problem Appendix D. Formalization of the 2E-CVRP Appendix E. Formalization of the CVRPPAD Appendix F. SCM problem model in LINGO format Appendix G. CVRPPAD model in LINGO format