“EFFECT OF VITAMIN A ON THYROID GLAND DEVELOPMENT IN Bufo Melanostictus STAGE 34 (Thirty Four) and 36(Thirty Six)”. Journal of Science Innovations and Nature of Earth, vol. 2, no. 2, Feb. 2022, pp. 04-09, https://doi.org/10.59436/jsiane.139.2583-2093.