Mardesci, Hermiza, - Santosa, Novizar Nazir, and Rika Ampuh Hadiguna. 2021. “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 (2):776-82. https://doi.org/10.18517/ijaseit.11.2.11593.