Nofriza Y, Zen Z. Analysis Validation and Practicality of Crossword Puzzle Learning Media in Science Subjects for Class VII in Junior High Schools . jppipa, pendidikan ipa, fisika, biologi, kimia [Internet]. 2024 Jun. 25 [cited 2024 Nov. 22];10(6):2891-7. Available from: https://jppipa.unram.ac.id/index.php/jppipa/article/view/7489