Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) CHALANA RK,Morphological and histochemical observation on the primordial and early growing oocytes of crow (Corvus splendens) and myna (Acridotheres tristis),Poult Sci,,,1979,58,,225-231,https://cir.nii.ac.jp/crid/1570572701509618432,