Liu Z, Wang X, Ren A. Using improved iterative gravity method to optimize the investment location of agricultural biomass power generation projects: a case study. ijprvd [Internet]. 2021 Jun. 10 [cited 2024 May 11];70(9&10):145-9. Available from: http://www.informaticsjournals.com/index.php/ijprvd/article/view/27945