1. A.F.N.O.R (2004) Water quality. Determination of the Global Standard Biological Index (IBGN). French Association for Standardization - approved standard T 90–350:1-16 (in French)
2. Abahi KS, Gnohossou P, Akodogbo HH, Orou Piami Z, Adje D, Tchaou C, Okoya J (2018) Diversity of benthic macroinvertebrates from the upper part of the Ouémé River in Benin. Afr Sci Rev Int Sci Technol 14:259–270 (in French)
3. Afri-Mehennaoui F-Z, Mehennaoui S (2005) Ecological quality of watercourses in Eastern Algeria: the case of the Rhumel oued in the Constantinois. WATMED 2:1–10 (in French)
4. Alba-Tercedor J, Sanchez-Ortega A (1988) Un metedo papido y simple para evaluar la calidad biologica de las aguas Corrientes basado en el de Hellawel (1978). Limnetica 4:51–56
5. Alemneh T, Ambelu A, Zaitchik BF, Bahrndorff S, Mereta ST, Pertoldi C (2019) A macroinvertebrate multi-metric index for Ethiopian highland streams. Hydrobiologia 843:125–141. https://doi.org/10.1007/s10750-019-04042-x