1. “Forecasting by using the optimal time series method,” in International Conference on Human Interaction and Emerging Technologies, Switzerland;Ashour,2020
2. “Greedy kernel PCA for training data reduction and nonlinear feature extraction in classification,” in “Sixth International Symposium on Multispectral Image Processing and Pattern Recognition”, Yichang, China;Liu,2009
3. “Using principal component analysis and fuzzy c–means clustering for the assessment of air quality monitoring”;Dogruparmak;Atmospheric Pollution Research,2014
4. “Environmental Assessment of Al-Hammar Marsh Sediments, Southern Iraq”;Abdullah;The Iraqi journal of science,2015
5. “Evaluation of Water Quality for Greater Zab River by Principal Component Analysis/Factor Analysis”;Kareem;The Iraqi journal of science,2016