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in C:\inetpub\wwwroot\food\KM\Cost_Calculator\include\db.php on line 8
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ไม่สามารถเชื่อมต่อฐานข้อมูลได้ Notice: Undefined index: document_type in C:\inetpub\wwwroot\food\KM\Cost_Calculator\doc_product_create.php on line 10
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