Improving the Ventilation System of an Air-Conditioning System in a Five-Star Hotel at Ezulwinini Kingdom Eswatini
pp. 1-7
PB Sob and TB Tengen

Improving Dam Capacity Using a Dredger to Remove Sediment and Prevent Environmental Pollution During the Recovery Process
pp. 8-12
K Mokele, PB Sob and TB Tengen

Bifurcation analysis and Optimal Control Problem of a Theoretical Dengue Model with Delay
pp. 13-20
Oscar Andres Manrique Arias, Carlos Alberto Abello Muñoz and Julian Alejandro Olarte García

Vacant areas Management and Its Role in the Development of Egyptian Cities (A case study of the city of Qutour)
pp. 21-25
Prof. Tariq Abdel Latif Abu Al-Atta and Mohamed Aly Ahmed Elgabar

Improving the Efficiency and Performance of Underground Water Purification Plant in the Gold Mine
pp. 26-30
P. B. Sob and M Pita

Optimizing the Flow Rate of Water from a Chiller System for Efficient Operation
pp. 31-36
P. B. Sob and TB Tengen

Improving Centrifugal Pumps Seals to Prevent Leakage during Operation
pp. 37-41
T. Mphahlele, P. B. Sob, M. Pita and TB Tengen

Sniffing Techniques and Its Application on the Network
pp. 43-52
Rosa M. Ramírez Rodríguez, Jenny A. Niño Rodríguez and Miguel A. Leguizamón

Applying the Seven Quality Control Tools to Improve Patient Experience in the Emergency Department
pp. 53-67
Haitham Bahaitham and Mohammed Alqahtani

Chemical Oxygen Demand Characterization of Wastewaters Containing Mixed Effluents
pp. 68-77
T.Y.S. Jwara, P. Musonge and B.F. Bakare

Mathematical model for the optimal control of the seasonal dengue transmission
pp. 78-94
Julián Alejandro Olarte García and Oscar Andrés Manrique Arias

Weighted Statistical Approximation by Gamma Type operators
pp. 95-97
Jieyu Huang and Qiulan Qi

Vacant Areas Management and Its Role in the Development of Egyptian Cities (A case study of the city of Qutour)
pp. 98-106
Prof. Tariq Abdel Latif Abu Al-Atta and Mohamed Aly Ahmed Elgabar