1.
N. Djiedeu. Universal Standard Calendar: A Periodical and Temporal Indicator for the Statistical Study of Phenomena Evolving with Time. NUPSR-V10 [Internet]. 2021 Jul. 14 [cited 2026 Jun. 4];:23-36. Available from: https://stm.bookpi.org/NUPSR-V10/article/view/2375