INTEGRATING COST-PLUS AND MARKET-BASED PRICING STRATEGIES TO SUSTAIN GROSS MARGIN: A CASE STUDY OF AN INDONESIAN PRECAST CONCRETE MANUFACTURER: (Studi Kasus Pada PT. Bogor Persada Indonesia). jamanta [Internet]. 2026 Aug. 11 [cited 2026 Oct. 6];5(1):46-6. Available from: https://journal.unita.ac.id/index.php/jamanta/article/view/1659