[1]
C. Sihombing, Z. Cui, R. Karo Karo, F. Aulia Nanda, and J. Samosir, “WHATSAPP-BASED E-LEARNING IMPLEMENTATION ON VALUES LEARNING PANCASILA IN CLASS V SD NEGERI 122351 INTRODUCTION”, IHERT, vol. 2, pp. 317–332, Dec. 2020.