What Are The Theories That Explain How Countries Grow Economically?

What are the theories that can explain how our country grow economically? I don't understand. Please help.

There are different models and theories in economics that are used to guess different characteristics of economic growth. Some of the examples are as follows:
·         Solow–Swan model for measuring total factor productivity
·         Canonical model for measuring rate of scientific growth in a country
·         Endogenous Growth theory of economics
Economic theories that help The country grow economically

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