Unitly, A. 2019. THE STUDY OF ADMINISTRATION EXTRACT KEBAR GRASS ON NUMBER LEYDIG CELLS AND SERTOLI CELLS IN RAT (Rattus norvegicus) THAT EXPOSED WITH CIGARETTE SMOKE. RUMPHIUS Pattimura Biological Journal. 1, 1 (Mar. 2019), 008-011. DOI:https://doi.org/10.30598/rumphiusv1i1p008-011.