ROHMANI NUR INDAH; GALUH NUR ROHMAH. The Communicativeness and Critical Thinking Devices of Language Supplementary Materials for Primary School: Piranti Berpikir Kritis dan Komunikatif Materi Penunjang Kebahasaan di Sekolah Dasar. RETORIKA: Jurnal Ilmu Bahasa, v. 6, n. 2, p. 165-172, 29 Oct. 2020.