Eddy Noviana, Intan Kartika Sari, Zufriady, Sri Erlinda, Non Syafriafdi, and Putu Eka Suarmika, “INSTRUMENT VALIDITY FOR LEARNING RESOURCES ANALYSIS OF DIGITAL DISASTER FOR COASTAL AREAS: AN ANALYSIS OF AIKEN’S V”, JPFKIP, vol. 12, no. 1, pp. 114–125, Feb. 2023, doi: 10.33578/jpfkip.v12i1.9320.