“IMPLEMENTASI REWARD DAN PUNISHMENT TERHADAP PENINGKATAN KOSA KATA BAHASA INGGRIS DI BINTANA RESEARCH AND LITERACY SHELTER INDONESIA: Reward And Punishment Implementation For Improving English Vocabulary In Bintana Research And Literacy Shelter Indonesia” (2021) Fenomena, 20(2), pp. 233–248. doi:10.35719/fenomena.v20i2.62.