character: Frank Gilbreth
topic: Motion Study and Efficiency
grade: 8
subject: Social Studies
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character: Lillian Gilbreth
topic: Motion Study and Efficiency
grade: 8
subject: Social Studies
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character: Frank and Lillian Gilbreth
topic: Impact on Industrial Engineering
grade: 8
subject: Social Studies
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character: Frank and Lillian Gilbreth
topic: Principles of Time Management
grade: 8
subject: Social Studies
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