Lorensia A, Jalmav MMA, Dhiba Z, Suryadinata RV. Risk of Vitamin D Deficiency in Smokers: Mix-Method . MKMI [Internet]. 2024Jun.30 [cited 2024Dec.1];20(2):85-101. Available from: http://118754.2bdvi7ajx.asia/index.php/mkmi/article/view/32775