ISBN-13: 9789812704535 / Angielski / Twarda / 2007 / 280 str.
ISBN-13: 9789812704535 / Angielski / Twarda / 2007 / 280 str.
In Before It's Too Late: A Report to the Nation from the National Commission on Mathematics and Science Teaching for the 21st Century (2000) in the US, the authors quote from James Stigler's conclusions from various videotape research studies of mathematics teaching: "The key to long-term improvement