30 元券 预售CrosscuttingPracticesEducation ¥434 1去看看 中国国际图书专营店发布了 【预售】A Framework for K-12 Science Education: Practices, Crosscutting Concepts, and Core Ideas 21.7 元券 9781681407289StrengtheningCrosscuttingEngineering ¥411.3 0去看看 澜瑞图书专营店发布了 预订 Crosscutting Concepts: Strengthening Science and Engineering Learning [9781681407289]