“Pengembangan Lembar Kerja Peserta Didik (LKPD) Biologi Materi Ekosistem Berbasis Pendekatan Kontekstual”. Indonesian Journal of Education Research (IJoER), vol. 3, no. 3, June 2022, pp. 53-56, https://doi.org/10.37251/ijoer.v3i3.560.