Contracted study agreement Reg/Pol/1 "Concepts and tools for strategic regional socio-economic change policy : Study report, consisting of 3 parts. Part 3. Appendix: Software available : Introduction - Straszak, Andrzej (1931– ) (Instytut Badań Systemowych. Polska Akademia Nauk, 1986)
[1], I, III stron ; 21 cm
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