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Ta'lim tarbiya ishlari gigiyenasi
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A comprehensive guide on the sanitary-hygiene requirements for educational institutions, including classroom and school hygiene, ventilation, and indoor temperature regulations
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#sanitariya#o'quv xonasi#ta'lim muassasalar#bog'cha#gigiyena
Premium Content
Ta'lim tarbiya ishlari gigiyenasi
3,500so'm
Betlar soni
11 taFayl hajmi
2.78 MBFayl turi
.pptx
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