Dumaog, Annabelle C., Department of Technician Technology Education, CSTE, University of Science and Technology of Southern Philippines
Dymchenko, Olga V. , Don State Technical University, Rostov-on-Don, Russia
Dymova, Yuliya , Kemerovo State University. Russia
Dzhabborov, Nozim I. , Federal Scientific Agroengineering Center VIM, branch in Saint Petersburg, Saint Petersburg, Russia
Dzul-Ramírez, René David , Universidad Tecnológica Calakmul (UTC), Departamento de Recursos Naturales, México

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