Sarhan, Rafid Salih, and Sagvan Ali Saleh. “An Iterative Three-Stage Neighborhood Search for Solving Precedence Constrained Agricultural Land Investment Problem ”. Journal of Mechanical, Civil and Industrial Engineering, vol. 4, no. 2, June 2023, pp. 40-46, https://doi.org/10.32996/jmcie.2023.4.2.6.