Physics · Acoustics

किस शताब्दी में उस प्रकार के शिक्षक का उदय हुआ जिसने यह वकालत की कि सीखना अपने आप में ही सार्थक है?

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किस शताब्दी में उस प्रकार के शिक्षक का उदय हुआ जिसने यह वकालत की कि सीखना अपने आप में ही सार्थक है?

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किस शताब्दी में उस प्रकार के शिक्षक का उदय हुआ जिसने यह वकालत की कि सीखना अपने आप में ही सार्थक है?

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