Pangilinan, Von Carlo, <em>Malacampa, Camiling, Tarlac, Philippines</em>

• Economics, Business, Entrepreneurship & Social Sciences International Conference 2022 - General Papers
  Extraction of Annatto (Bixa Orellana), Vine Spinach (Basella Alba), and Dragon Fruit (Hylocereus Undatus) as Ink Product
  Abstract  PDF