Samadi RL, Lapian SLJ, Mandey SL, Tumbel AL, Tumbuan WJA. Optimizing PT’s Marketing Strategy. Kurnia Abadi Kawanua Jaya to Increase Sales of Ultra Milk: an Analytical Approach. EJBSOS [Internet]. 2024 Jul. 30 [cited 2024 Nov. 20];4(7):175-83. Available from: http://inovatus.es/index.php/ejbsos/article/view/3754