Sasiwou BS. MARKETING STRATEGY OF PETROKIMIA GRESIK NON-SUBSIDIZED NPK FERTILIZER TO WIN MARKET COMPETITION. IJEBAR [Internet]. 2022 Aug. 24 [cited 2025 Oct. 19];6(3):2385-93. Available from: https://jurnal.stie-aas.ac.id/index.php/IJEBAR/article/view/5980