Books and Monograph Series
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Edited Collection Series
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Publication Chapters, Articles, and Sections
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Book Section: CHAPTER III—Unveiling the Open and Hidden Functions of the Mysterious North Dome of Isfahan: How Omar Khayyam Designed, for His Commissioned Projects of Solar Calendar Reform and Building Its Astronomical Observatory, Iran’s Most Beautiful Dual-Use Structure for the Annual Celebration of Nowrooz — by Mohammad H. Tamdgidi
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Book Section: CHAPTER II—Omar Khayyam’s Treatises on the Straight Balance and on How to Use a Water Balance to Measure the Weights of Gold and Silver in a Body Composed of Them: The Arabic Texts and New Persian and English Translations, Followed by Textual Analysis — by Mohammad H. Tamdgidi
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Book Section: CHAPTER III — Part 1 of Omar Khayyam’s Treatise on Existence Addressed to Abu Taher Regarding the Necessity of Contradiction, Determinism, and Survival: The Arabic Manuscript and Updated Persian and New English Translations, Followed by Textual Analysis — by Mohammad H. Tamdgidi
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Book Section: CHAPTER V — Part 3 of Omar Khayyam’s Treatise on Existence Addressed to Abu Taher Regarding the Light of Intellect on ‘Existent’ as the Subject Matter of Universal Science: The Arabic Manuscript and Updated Persian and New English Translations, Followed by Textual Analysis — by Mohammad H. Tamdgidi
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Book Section: CHAPTER VI — Omar Khayyam’s Treatise Addressed to Moshkavi in Response to Three Questions on Soul’s Survival, the Necessity of Accidents, and the Nature of Time: The Arabic Manuscript and Updated Persian and New English Translations, Followed by Textual Analysis — by Mohammad H. Tamdgidi
Research Reports
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Aside from the Okcir bookstore, works published by Okcir Press or Ahead Publishing House can be purchased also from Amazon, Barnes & Noble, or Google Play , or other online bookstore.