Virginia, Andina, and Tanti Novianti. “Non-Tariff Measures (NTMs) and Indonesian Natural Rubber Export to The Main Export Destination Countries”. Journal of Developing Economies 5, no. 1 (June 10, 2020): 56–67. Accessed November 21, 2024. https://e-journal.unair.ac.id/JDE/article/view/18609.