array(6) { [0]=> string(75) "MOBILE COMMUNICATION\(Wireless Networks and Mobile Communications) Maode Ma" [1]=> string(55) " Mieso K. Denko-Wireless Quality of Service_ Techniques" [2]=> string(10) " Standards" [3]=> string(38) " and Applications-CRC-Press (2008).pdf" [4]=> string(9) " 18109311" [5]=> string(21) " 2018-08-24 12:19:1 " } array(5) { [0]=> string(76) "MOBILE COMMUNICATION\(Wireless networks and mobile communications) Yan Zhang" [1]=> string(15) " Hsiao-Hwa Chen" [2]=> string(84) " Mohsen Guizani-Cooperative wireless communications-Auerbach Publications (2009).pdf" [3]=> string(9) " 16166281" [4]=> string(21) " 2018-08-24 12:12:3 " } array(6) { [0]=> string(36) "MOBILE COMMUNICATION\Ananthram Swami" [1]=> string(10) " Qing Zhao" [2]=> string(13) " Yao-Win Hong" [3]=> string(89) " Lang Tong-Wireless Sensor Networks Signal Processing and Communications-Wiley (2007).pdf" [4]=> string(8) " 3495710" [5]=> string(21) " 2018-08-24 12:21:5 " }