Thư Viện Tiếng Anh
Thư viện tài liệu tiếng Anh miễn phí
Subject: Economics
Opportunity Costs
Shortage, Surplus, and Prices
Shortage and Surplus
What Are Supply and Demand?
How Do Supply and Demand Affect Prices?
Examples of Goods and Services
What Are Goods and Services?
What Are Resources?
3 Types of Resources
What Are Producers and Consumers?
