Ruangvittayanon, A., and S. Kuharuangrong. “PHYSICAL PROPERTIES OF La0.9Sr0.1Cr1-XNiXO3-δ (X = 0-0.6) SYNTHESIZED VIA CITRATE GEL COMBUSTION”. Suranaree Journal of Science and Technology, vol. 16, no. 4, Aug. 2026, pp. 319-23, https://ph04.tci-thaijo.org/index.php/SUJST/article/view/13531.