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1প্রকাশিত 1985“...India.Ministry of Petroleum...”
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2প্রকাশিত 1986“...India. Ministry of Petroleum and Natural Gas...”
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3প্রকাশিত 1986“...India. Ministry of Petroleum and Natural Gas...”
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4প্রকাশিত 1985“...India.Ministry of Petroleum and Natural Gas...”
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5প্রকাশিত 1989“...India.Ministry of Petroleum and Natural Gas...”
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6প্রকাশিত 1989“...India.Ministry of Petroleum & Natural Gas...”
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7প্রকাশিত 1980“...India. Ministry of Petroleum, Chemicals and Fertilizers...”
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8প্রকাশিত 1981“...India. Ministry of Petroleum, Chemicals & Fertilizers. Department of Petroleum...”
Printed Book -
9প্রকাশিত 1981“...India. Ministry of Petroleum, Chemicals and Fertilizers. Department of Chemicals and Fertilizers...”