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"An extension of the gravity model."
Tammy Drezner, Zvi Drezner, Dawit Zerom (2022)
- Tammy Drezner, Zvi Drezner, Dawit Zerom:
An extension of the gravity model. J. Oper. Res. Soc. 73(12): 2732-2740 (2022)
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