Whether you are fresher or experienced, you must read this book if you want to start or advance your career in the oil and gas, petroleum, or petrochemical industry.  The current promotion brings the book price down to $14.75, but the regular price is $49. You can preview the book's contents by clicking the link below, or you can use the promo code YTPR70 to buy the book for $14.75 and download it immediately.