Siregar TM, Nadila A, Situmeang JC, Silitonga S, Sabila SZ. Implementasi Deret Hitung Dan Deret Ukur Dalam Bidang Ekonomi. Innovative [Internet]. 2023 May 21 [cited 2026 Apr. 29];3(2):3881-97. Available from: https://j-innovative.org/index.php/Innovative/article/view/771