Humam, Anang Muh. Naufal, Raehanul Bahraen, and Dini Suryani. “The Difference in Total Cholesterol Levels Between Male Smokers and Non-Smokers Aged 20-50 Years”. Jurnal Biologi Tropis 24, no. 4 (October 27, 2024): 583–588. Accessed November 7, 2024. http://jurnalfkip.unram.ac.id/index.php/JBT/article/view/7711.