1.
Sinaga Y, Simarmata RO, Pakpahan C, Panggabean S. Improving Students Vocabulary Mastery by Using Ice Breaker Activities to the First Graders of SMP HKBP Sidorame. Innovative [Internet]. 2023 Jun. 6 [cited 2026 Oct. 24];3(2):8237-42. Available from: https://j-innovative.org/index.php/Innovative/article/view/1113