Effects of the oil spill at the La Pampilla Refinery on the seacoast of Lima (Peru) Victor Pulido Capurro, Fortunato Escobar-Mamani, César Arana Bustamante, Edith Olivera Carhuaz 5-8 pdf (Spanish)
Bacterial and fungal influence on the mineralization of bovine manure: evidence on soil fertility in the cultivation of quinoa (Chenopodium quinoa Willd.) Víctor Paco Perez, Marcelo Gonzales Torrico, Ermindo Barrientos Pérez, Felipe Carevic 9-16 pdf (Spanish)
Development of nutritional bars using cereals, Andean grains and squid protein concentrate Juan Rodolfo Omote Sibina, David Julian Roldan Acero, Andrés Avelino Molleda Ordoñez, Fabiola Otilia Olivares Ponce 17-26 pdf (Spanish)
Impact of COVID-19 on the international tourism demand in Peru. An application of the Box-Jenkins methodology Juan Walter Tudela, Grisell Aliaga-Melo, Elias Cahui-Cahui 27-36 pdf (Spanish)
Color variation of Lessonia trabeculata macroalgae dehydrated with infrared ray dryer Daphne H. Castro Arata, Llamoca Domínguez Llamoca Domínguez, Joanuel Anthony Quinteros, Castillo Flores Castillo Flores, Sheda Méndez Ancca 37-44 pdf (Spanish)
Design and construction of prototype color quinoa sorting machine using IR sensors Irenio Luis Chagua Aduviri, Marco Antonio Quispe Barra, Olger Alejandrino Ortega Achata 45-52 pdf (Spanish)
Effects of intensive agriculture and climate change on biodiversity Smith Ervin Reyes Palomino, Cano Ccoa Cano Ccoa 53-64 pdf (Spanish)