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. "Economic balance in the contract", Legal Research Quarterly, 1, 19-20, 1997, 196-226.

. (1997). 'Economic balance in the contract', Legal Research Quarterly, 1(19-20), pp. 196-226.

, "Economic balance in the contract," Legal Research Quarterly, 1 19-20 (1997): 196-226,

. Economic balance in the contract. Leg Res Q. 1997;1(19-20):196-226 (In Persian).