Yoseph Riang, Donna Isra Silaban, Innosensia E Isavela Ndiki Satu, and Sintia Bili, “Students’ Speaking Ability Santo Arnoldus Janssen Secondarry Secondary High School Kupang through Public Speaking Training”, ABDIMAS, vol. 7, no. 3, pp. 1063–1070, Jul. 2024.