1. Principal component analysis;H Abdi;Wiley Interdisciplinary Reviews: Computational Statistics,2010
2. Digitalization and resilience: firm-level evidence during the COVID-19 pandemic;N Abidi;International Monetary Fund Working Paper,2021
3. Interaction effects in econometrics;H O Balli;Empirical Economics,2013
4. Forecasting with panel data;B H Baltagi;Journal of forecasting,2008