Luciana, Lady, and Marselina Marselina. “Positive Externality Analysis of the Existence of PT. Great Gaint Pineapple Company (PT GGPC) to the Socio-Economic and Environment of the Community Around the Factory ”. International Journal of Social Science, Education, Communication and Economics (SINOMICS Journal) 2, no. 5 (December 31, 2023): 1473–1490. Accessed September 27, 2025. https://sinomicsjournal.com/index.php/sj/article/view/242.