LEC#20 STD – 7 સામાજિક વિજ્ઞાન પાઠ – 13 સંસાધનોનું જતન અને સંરક્ષણ ભાગ – 2 BY – VASHISHTH JANI
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centos 7
https://www.youtube.com/channel/UCPRD2oDAFDMsgfmSu41Hwew/ FOR MORE INFORMATION CONTACT US www.vidyadhish.org.
centos 7