100 元券9780367759018OptimizationMathematicalEconomists¥9610去看看中国国际图书专营店发布了【预订】Mathematical Analysis and Optimization for Economists 97803677590189780367759018OptimizationMathematicalEconomists¥11440去看看澜瑞图书专营店发布了【4周达】Mathematical Analysis and Optimization for Economists [9780367759018]