A “Double” fear effect in a tri-trophic food chain modelHarendra Verma, Kwadwo Antwi-Fordjour, Mainul Hossain, Nikhil Pal, Rana D. Parshad and Pankaj MathurEur. Phys. J. Plus, 136 9 (2021) 905DOI: https://doi.org/10.1140/epjp/s13360-021-01900-3