The Meaning and Limitations of the Phrases “Valid” and “Appropriate” in Electronic Summons from the Perspec-tive of the Principle of Legal Certainty. J. Sci. Educ. [Internet]. 2026 Jan. 19 [cited 2026 Oct. 29];6(2):1374-80. Available from: https://jse.rezkimedia.org/jse/article/view/734