fifty

  1. bingbing88

    The Six-Minute Memoir Fifty-Five Short Essays on Life

    Mary Helen Stefaniak, "The Six-Minute Memoir: Fifty-Five Short Essays on Life " English | ISBN: 1609388518 | 2022 | 280 pages | EPUB | 308...
  2. bingbing88

    Systems Engineering Fifty Lessons Learned

    Systems Engineering: Fifty Lessons Learned by Howard Eisner English | 2021 | ISBN: 0367422425 | 134 Pages | EPUB | 1 MB The author has spent approximately 50 years in the field of systems engineering. This Focus book provides a "looking back" at his 50-year run and the lessons he learned and...
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