1. Formal Design and Analysis of a Wastewater Treatment Control System based on Petri Net-- Seno D. Panjaitan & Berlian Sitorus

2. Influence of High Temperatures on the Workability of Fresh Ready-Mixed Concrete-- Victor Sampebulu

3. A Hardware Architecture of a Counter-Based Entropy Coder-- Armein Z R Langi

4. A New Control Method to Reduce the Low-Frequency Output Current Ripple of AC-DC Converters by Using Virtual Inductor-- Pekik Argo Dahono

5. Solution of the Burger’s equation for longitudinal dispersion phenomena occurring in miscible phase flow through porous media-- Mitesh S. Joshi, Narendrasinh B. Desai & Monika N. Mehta

6. Investigating the Acid Failure of Aluminium Alloy in 2 M Hydrochloric Acid Using Vernonia amygdalina-- Olugbenga A. Omotosho & Oluseyi O. Ajayi