The ICOSETH 2021 Organized by the Natural Science Education, Doctorate Program, Universitas Sebelas Maret (UNS), Indonesia. The ICOSETH 2021 invites researchers, academicians, educators, practitioners, government officers, and consultants to attend and share their insights, perspectives, and new trend of research in education.

ICOSETH 2021 welcomes you to submit your papers on topic indicated below in section Conference Sub-Themes. All submitted papers will be reviewed by the scientific committee of the conference based on quality, relevance and originality.

It is anticipated that a broad range of research and applied topics will be covered during the conference. Papers in the theoretical category should deal with models, concepts, and structures; papers in the generic category should present research results of broad applicability; and papers in the applied category should show how the demands of particular application areas shape the way generic research is translated into practical innovation.