Title	Telecommunications Quality of Service Contractual Indicators for Developing Countries
Author	Ali Mahgoub Gaafar, Gamal Amin Elsayed, Diaeldin Awad Elgamel, Salih Yassin Salih, Tarig Shawgi Abdelrahma, Amin Babiker A. Mustafa, Ismail El-Azhary
Citation	Vol. 13  No. 11  pp. 28-32
Keywords	Quality of service, QoS, regulator role, contractual issues

Title	Simulation of Ultra Wideband Miscrostrip Antenna Based on Laguerre-Finite-Difference Time-Domain (LFDTD) Algorithm
Author	NGENDAKUMNA Gaspard, Nabih EL OUAZZANI
Citation	Vol. 13  No. 11  pp. 33-41
Keywords	FDTD, method, Laguerre Polynomials, LFDTD formulation, microstrip antenna and microstrip lines, node numbering scheme.

Title	Simulation of Ultra Wideband Miscrostrip Antenna Based on Laguerre-Finite-Difference Time-Domain (LFDTD) Algorithm
Author	NGENDAKUMNA Gaspard, Nabih EL OUAZZANI
Citation	Vol. 13  No. 11  pp. 33-41
Keywords	FDTD, method, Laguerre Polynomials, LFDTD formulation, microstrip antenna and microstrip lines, node numbering scheme.

Title	Testing Object-Oriented Systems by Using a Random Sequence of UML Diagrams
Author	Anna Mroczek
Citation	Vol. 13  No. 11  pp. 42-48
Keywords	UML, random testing, object-oriented system, test scenarios.