अधिगम में, ....................ने प्रभाव का नियम दिया था।

Asked Mar 17, 2018 Modified Aug 13, 2023 Viewed 0 times
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Gk up
asked Mar 17, 2018 at 04:57
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थार्नडाइक
answered Aug 13, 2023 at 19:20

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