TY - GENERIC DO - 10.20944/preprints202007.0150.v1 UR - http://dx.doi.org/10.20944/preprints202007.0150.v1 TI - A Novel Optimization Algorithm to Create Perennial Calendar System based on Gregorian and International Fixed Calendards T2 - Preprints AU - El-Bayeh, Claude PY - 2020 DA - 2020/07/08 PB - Preprints