Alongkot Suvarnamani and Mongkol Tatong (2016) “SOME PROPERTIES OF THE PRODUCT OF (P,Q) – FIBONACCI AND (P,Q) - LUCAS NUMBER”, GEOMATE Journal, 13(37), pp. 16–19. Available at: https://geomatejournal.com/geomate/article/view/1499 (Accessed: 3 July 2022).