Source: https://www.researchgate.net/profile/Ahmed_Belasri/publication/337839842_INTERNATIONAL_CONFERENCE_ON_RENEWABLE_ENERGY_AND_ENERGY_CONVERSION_ICREEC_2019_USTO_MB/links/5dee562992851c83646f42fd/INTERNATIONAL-CONFERENCE-ON-RENEWABLE-ENERGY-AND-ENERGY-CONVERSION-ICREEC-2019-USTO-MB.pdf