Az Zahra M, Yerimadesi Y, Friyatmi F, Jasniar J. Improving the Active Participation of Grade X Students at SMA PGRI 1 Padang Through the Use of Chemical Element Card Media. TOFEDU [Internet]. 2025 Nov. 24 [cited 2025 Nov. 27];4(8):4274-81. Available from: https://journal.tofedu.or.id/index.php/journal/article/view/1046