List of Articles G chart Open Access Article Abstract Page Full-Text 1 - An Economic Design of Combined Double Sampling and Variable Sample Size X ̅ Control Chart Saeed Khaki Niloufar Ghanbari Mir Mahdi Seyed Esfehani 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 of an engine connecting rod machining process GVSS Sharma P Srinivasa Rao Open Access Article Abstract Page Full-Text 4 - On the multivariate variation control chart R Noorossana S.M Seyedaliakbar