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2020
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Invention
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Device for providing learning service based on digital wrong answer note, and method therefor. A ... |
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2018
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Invention
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Device for providing problem-solving based learning service and method therefor. A method for pro... |
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Invention
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Device and method for providing a game based on a lesson path on a knowledge map.
Provided is a ... |
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Invention
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Game service providing device and method on basis of lesson route on knowledge map. A game servic... |
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Invention
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Knowledge map-based multi-user game service providing device and method. A multi-user game servic... |
