EWANG, E.; OGAH, O.; SULEIMAN, H.; AGBAJE, G.; FAIZULLIN, D.; TOYODA, K.; CHO, M. On-Orbit Results of Photoelectron Current Measurement System in Low Earth Orbit on HORYU-IV Satellite. ARID ZONE JOURNAL OF ENGINEERING, TECHNOLOGY AND ENVIRONMENT, v. 15, n. SPi2, p. 46-56, 1 Jun. 2019.