@BOOK{ Book!D - 90111903,
AUTHOR = " Gary Powers, South Hills School of Business & Technology, State College, PA.",
TITLE = "Trigonometry for engineering technology : ",
LIBRARY= "مرکز و کتابخانه مطالعات اسلامی به زبان‌های اروپایی",
SUBJECT = "Mechanical engineering -- Problems, exercises, etc.,Trigonométrie -- Problèmes et exercices.,Trigonometry -- Problems, exercises, etc.",
URL = "/book/90111903/Trigonometry-for-engineering-technology/"}