I. Nurlentiana, S. . Yulia Friska, and W. O. . Susilawati, “Pengembangan Lembar Kerja Peserta Didik (LKPD) Berbasis Problem Solving Tema 8 Subtema 1 di SDN 07 Sitiung”, JPDK, vol. 4, no. 4, pp. 3247–3255, Aug. 2022.