Chika Fransisca, Diandra, and Padosroha Marbun. “Population Prediction of Purwanegara Village, Indonesia Using Modified Logistic Model With Migration Factor”. International Journal of Engineering & Technology 7, no. 3 (August 27, 2018): 1962–1969. Accessed July 18, 2024. https://sciencepubco.com/index.php/ijet/article/view/16547.