2020 Guide to the Night Sky Southern Hemisphere (2019)

English | September 5th, 2019 | ISBN: 0008348979 | 112 Pages | EPUB | 22.68 MB NEW, REVISED AND EXPANDED EDITION A comprehensive handbook to the planets, stars and constellations visible from the southern hemisphere. 6 pages for each month covering January-December 2020. Diagrams drawn for the latitude...
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Introduction to Formal Languages (Dover Books on Mathematics) (2012)

English | March 16, 2012 | ISBN: 0486169375 | 208 Pages | EPUB | 4.36 MB This highly technical introduction to formal languages in computer science covers all areas of mainstream formal language theory, including such topics as operations on languages, context-sensitive languages, automata, decidability, syntax analysis, derivation...
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Understanding and Using English Grammar, 4th Edition (2009)

Pearson Longman | English | 2009 | ISBN: 0132333317 | 530 Pages | PDF, MP3 | 86.99 MB A classic developmental skills text for intermediate to advanced students of English, Understanding and Using English Grammar is a comprehensive reference grammar as well as a stimulating and teachable classroom...
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4000 Essential English Words (2009)

English | June 1, 2009 | ISBN: 1599664070 | 193 Pages | PDF | 120 MB 4000 Essential English Words is a six-book series that is designed to focus on practical high-frequency words to enhance the vocabulary of learners from high beginning to advance levels. The series presents...
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Grammar Success in 20 Minutes a Day (2010)

2010 | 144 Pages | ISBN: 1576857212 | PDF | 7.7 MB In a world that is increasingly driven by words and text, knowing how to use grammar to communicate correctly and accurately becomes all the more important at school, in business, and in relationships. With the newly...
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