1. Akbari, Sh. Eshraghi, F. & Joulei, R. (2019). "Review of asymmetry in the Iranian sugar import market". Journal of Iranian Agricultural Economics and Development Research. 11 (2): 217-236 (In Persian).
2. Econometric Analysis of Asymmetric Price Transmission Using Threshold Cointegration Approach: A Case Study of Morocco’s Apple Markets
3. Co-Integration and Error Correction: Representation, Estimation, and Testing
4. Ghadami Kohestani, M. Nikoukar, A. & Dorandish, A. 2010. The threshold pattern of price transmission in Iran's chicken meat market. Journal of Economics and Agricultural Development. 23(3):23-32.
5. Asymmetric price transmission in the Spanish lamb sector