Pejerrey Florian, Lucia Ximena, Porras Real, Jessica, Paredes Alarcón, José Anthoni, Manzanares Grados, Ruth Aracelis, Curasi Anchayhua, Kelly Ivanna, Salas Peña, Carlo Anthony Marcos Javier. Development of a new fertilizer material from the shell of the inga feuillei for ecofriendly pens using design thinking. LACCEI [Internet]. 2024 Apr. 16 [cited 2026 May 6];1(8). Available from: https://proceedings.laccei.org/index.php/laccei/article/view/2993