Luana Sasabone, Sunarlia Limbong, Fien Pongpalilu, Dewi Nidia Soepriadi, Yuriatson Jubhari. Utilizing WhatsApp As An Educational Technology Tool In Improving Students’ Speaking For ESP Instruction. EDULEC [Internet]. 2022 Aug. 4 [cited 2026 Oct. 11];2(2):170-9. Available from: https://jurnal-eureka.com/index.php/edulecj/article/view/66