Mardesci, Hermiza, - Santosa, Novizar Nazir, and Rika Ampuh Hadiguna. “Analysis of Value-Added and Calculation of Production Cost in the Production of Processed Coconut Product”. International Journal on Advanced Science, Engineering and Information Technology 11, no. 2 (April 27, 2021): 776–782. Accessed July 3, 2024. https://ijaseit.insightsociety.org/index.php/ijaseit/article/view/11593.