أرسل هذا في رسالة قصيرة: Field Methods for Petroleum Geologists

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| |  | ||  |  ___||  /_   _//  |  ___||  /_____// 
| |/\| ||  | ||__    `-| |,-   | ||__    `____ `  
|  /\  ||  | ||__      | ||    | ||__    /___//   
|_// \_||  |_____||    |_||    |_____||  `__ `    
`-`   `-`  `-----`     `-`'    `-----`   /_//     
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