Byomantara, D. G., and A. Arifuddin. “Sentential and Conversational Implicature Inference-Making Ability of Tourism College Students Based on Proficiency Levels”. Indonesian Journal of EFL and Linguistics, Vol. 10, no. 2, Nov. 2025, pp. 249-67, doi:10.21462/ijefl.v10i2.924.