THE SUN COLLECTORS, THEIRS CLASSIFICATION, IN THEM OBSERVE TO BE USED DISADVANTAGES AND SOLUTIONS. Amer. Jour. of Peda. and Educ. Rese. [Internet]. 2023 May 15 [cited 2026 Jan. 1];12:107-9. Available from: https://americanjournal.org/index.php/ajper/article/view/801