11.
 |  | Title: Universal Primary Mathematics: Teacher's Guide Book - 4 (Universal Primary Mathematics) by Ibrahim R. Ishaku, Pius Igboko, J. Olayide Ojo ISBN: 0237501228 Publisher: Evans Brothers Ltd Pub. Date: 31 December, 1970
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12.
 |  | Title: Universal Primary Mathematics: Teacher's Guide Book - 5 (Universal Primary Mathematics) by Ibrahim R. Ishaku, Pius Igboko, J. Olayide Ojo ISBN: 0237501236 Publisher: Evans Brothers Ltd Pub. Date: 31 December, 1970
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13.
 |  | Title: Struktur bahasa Bosap by Sjahrial S. A. R. Ibrahim ISBN: 9794591114 Publisher: Departemen Pendidikan dan Kebudayaan Pub. Date: 1991
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14.
 |  | Title: Nonlinear Vibrations: Presented at the Winter Annual Meeting of the American Society of Mechanical Engineers, Anaheim, California, November by R. A. Ibrahim ISBN: 0791810925 Publisher: American Society of Civil Engineers Pub. Date: January, 1992 List Price: $50.00 Amazon.com Price: $50.00 |
15.
 |  | Title: Stochastic Dynamics and Reliability of Nonlinear Ocean Systems: Presented at 1994 International Mechanical Engineering Congress and Exposition, Chicag by R. A. Ibrahim ISBN: 079181436X Publisher: American Society of Mechanical Engineers Pub. Date: January, 1994
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16.
 |  | Title: Universal Primary Mathematics: Pupil's Book 6 - English (Universal Primary Mathematics) by Ibrahim R. Ishaku, Pius Igboko, J. Olayide Ojo ISBN: 023750121X Publisher: Evans Brothers Ltd Pub. Date: 31 December, 1982
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17.
 |  | Title: Universal Primary Mathematics: Pupil's Book 4 - English (Universal Primary Mathematics) by Ibrahim R. Ishaku, Pius Igboko, J. Olayide Ojo ISBN: 0237501198 Publisher: Evans Brothers Ltd Pub. Date: 31 December, 1981
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18.
 |  | Title: The Opec Fund for International Development: The Formative Years by Ibrahim F. I. Shihata, Etal Shihata, Antonio R. Parra ISBN: 0312586167 Publisher: Palgrave Macmillan Pub. Date: January, 1984 List Price: $39.95 Amazon.com Price: $39.95 |
19.
 |  | Title: Kamus bahasa Indonesia-Pasir by Sjahrial S. A. R. Ibrahim ISBN: 9794597929 Publisher: Pusat Pembinaan dan Pengembangan Bahasa, Departemen Pendidikan dan Kebudayaan Pub. Date: 1997
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20.
 |  | Title: Friction-Induced Vibration, Chatter, Squeal, and Chaos: Presented at the Winter Annual Meeting of the American Society of Mechanical Engineers, Anahei by American Society Of Mechanical Engineers, Andres Soom, R. A. Ibrahim ISBN: 0791810917 Publisher: American Society of Mechanical Engineers Pub. Date: January, 1992 List Price: $52.50 Amazon.com Price: $52.50 |