Tuyen, T. N., Quyen, N. D. V., & Lam, T. B. (2019). Synthesis of FexZn1-xCr2O4 brown ceramic pigment by starch-assisted sol-gel process. Hue University Journal of Science: Natural Science, 128(1B), 13-19. https://doi.org/10.26459/hueuni-jns.v128i1B.5245