Rihi, M., V. Nainggolan, S. Marjaya, H. Sangadji, and M. Nababan. “MARKETING EFFICIENCY OF SEAWEED IN SABU RAIJUA REGENCY”. Polnep Conference Series, Vol. 1, no. 1, Aug. 2024, pp. 57-88, https://ejurnal.polnep.ac.id/index.php/PCS/article/view/813.