THE SPEED OF SOUND WAVE PROPAGATION IN AIR USING THE STANDING WAVE METHOD AND THE MECHANIKAL PROPERTIES OF SOUND. Amer. Jour. of Inte. Rese. and Deve. [Internet]. 2026 Jan. 30 [cited 2026 Feb. 2];48:36-40. Available from: https://ajird.journalspark.org/index.php/ajird/article/view/1668