[1]
. . S. G. B. . Siburian, M. Marcella, D. E. . Silalahi, and C. . Pakpahan, “The Application of Index Card Matching Method in Improving Students’ Listening Ability at First Grade of SMPN 1 Labuhan Deli”, JPDK, vol. 4, no. 5, pp. 1897–1904, Sep. 2022.