Study on the implementation of Pjbl-STEM learning model for science - Fatimah, Hikmah; Program Studi S2 Pendidikan Sains, Pascasarjana Universitas Sebelas Maret, Jl. Ir. Sutami no 36 Kentingan Surakarta (Universitas Sebelas Maret Surakarta, 2022)