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Velev, Milen Velchev (2021). „Entropy and free-energy based interpretation of the laws of supply and demand”. Sn Business & Economics. 1. S2CID258698359. doi:10.1007/s43546-020-00009-6.
Noë, Ronald; Hammerstein, Peter (1994). „Biological markets: Supply and demand determine the effect of partner choice in cooperation, mutualism and mating”. Behavioral Ecology and Sociobiology. 35: 1—11. S2CID37085820. doi:10.1007/BF00167053.