Heryanto D, Rismiyanto, Sumaji. Effectiveness of Developing Contextually Based Multiplication Bottle Learning Media to Improve Student Multiplication Ability. UJSSH [Internet]. 2024 Jul. 5 [cited 2024 Nov. 21];3(1):150-4. Available from: https://ujssh.com/index.php/ujssh/article/view/125