Mapping an emerging research subject: case of microbiota concept. - Abdelghani Maddi; David Sapinho; Lesya Baudoin (ISSI, 2019)

Article Processing Charges based publications: to which extent the price explains scientific impact? - Abdelghani Maddi; David Sapinho (CoRR, 2021)

Open access in Europe: a national and regional comparison. - Abdelghani Maddi; Esther Lardreau; David Sapinho (Scientometrics, 2021)

Does Open Access Really Increase Impact? A Large-Scale Randomized Analysis. - Abdelghani Maddi; David Sapinho (CoRR, 2022)

Article processing charges, altmetrics and citation impact: Is there an economic rationale? - Abdelghani Maddi; David Sapinho (Scientometrics, 2022)

On the culture of open access: the Sci-hub paradox. - Abdelghani Maddi; David Sapinho (Scientometrics, 2023)