Regional component in the main curriculum of secondary general educationNatalia Nikolaevna Zakirova, Vera Nikolaevna Martyanova, Olga Yuryevna Ovchenkova, Svetlana Leonidovna Skopkareva and Yanina Alexandrovna Chigovskaya-NazarovaSHS Web Conf., 121 (2021) 02009DOI: https://doi.org/10.1051/shsconf/202112102009
