Gaya APA

, E, W, ï, ,, H, K, A, S, W, R, A, D, M, F, R. (). Implementation of Covid-19 Health Standard at Elementary School in Yogyakarta . : .

Gaya MLA

, Evi, Widowati1, , ,, Herry, Koesyanto,, Anik, Setyo, Wahyuningsih1,, R., Alma, Dwi, Mayasari1,, Fitri, Rahmawati. "Implementation of Covid-19 Health Standard at Elementary School in Yogyakarta". : , . Text.