30269 12 10 Jogiyanto, HM Additional Author mixed material 9795330535 Yogyakarta Andi 1999 Protocols, Algorithms, and Source Code in C Schneier, Bruce Primary Author mixed material 0471128457 Canada Jhon Wiley & Sons 1996 APPLIED_CRYPTOGRAPHY.jpg computer and mobile device safety made esay Sammons, John Primary Author Michael Cross Additional Author mixed material 9780124166509 Cambridge Elsevier Saunders 2017 cybersafety.jpg Corrall, Sheila Additional Author mixed material 0851423302 London Aslib 1994 An Illustrated quick reference Keogh, Jim Additional Author mixed material 0135259401 New Jersey Prentice Hall 1998 Baloch, Rafay Primary Author mixed material 9781482231618 Boca Raton CRC Press 2015 index20.jpg Ponniah, Paulraj Primary Author mixed material 978040462072 New Jersey John Wiley & Sons 2010 index708.jpg import, tidy, transform, visualize, and model data Wickham, Hadley Primary Author Grolemund, Garret Additional Author mixed material 9781491910399 Beijing O'Reilly 2017 index717.jpg Coad, Peter Additional Author Yourdon, Edward Additional Author mixed material 0136299814 New Jersey Yourdon Press 1991 Coad, Peter Additional Author Yourdon, Edward Additional Author mixed material 0136300707 New Jersey Yourdon Press 1991