11. The barren stretch of land is uninhabitable and offers no known material resources . 12. What the center lacks in material resources , however, it makes up for in spirit. 13. Correspondingly, the role of non-material resources increases as development advances. 14. We do not have enough human and material resources , 15. By the end of the conflict both sides had exhausted their human and material resources . 16. Other potential raw material resources are also being explored. 17. Not only does it have a relatively well-educated workforce, it's also rich in material resources . 18. One of the most important non-material resources is information, which has become a key input. 19. According to Meltyukhov, the material resources and system of mobilization ensured the development of the army. 20. Being neither rich in material resources nor well placed for commercial enterprise, Phocis was mainly pastoral.
