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Umumta’lim maktablariga bo‘lgan umumiy gigiyenik talablar
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This book covers general hygiene requirements for public schools, including building and area hygiene, classroom cleanliness, and food hygiene
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Premium Content
Umumta’lim maktablariga bo‘lgan umumiy gigiyenik talablar
4,500so'm
Betlar soni
11 taFayl hajmi
1.64 MBFayl turi
.pptx
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