List of Articles CTQ Open Access Article Abstract Page Full-Text 1 - Evaluation and Improvement in Company Manufacturing Processes based on the Six-sigma Methodology Alireza Alinezhad Parviz Mohammadpour Nima Esfandiari Open Access Article Abstract Page Full-Text 2 - A DMAIC approach for process capability improvement an engine crankshaft manufacturing process G. V. S. S. Sharma P. Srinivasa Rao Open Access Article Abstract Page Full-Text 3 - Process capability improvement through DMAIC for aluminum alloy wheel machining G. V. S . S. Sharma P. Srinivasa Rao B. Surendra Babu Open Access Article Abstract Page Full-Text 4 - Relationship between Marital Conflict and Domestic Violence Against Girls حلیمه Enayat محمود Yaghobi