Saxena, D. K., & Kaur, H. (2006). Effect Of Heavy Metal Stress (Pb, Ni and Cd) On Protein And Fat Content Of The Moss Thuidium cymbifolium (Doz. and Molk.) Doz. And Molk. Environment Conservation Journal, 7(1&2), 69–74. https://doi.org/10.36953/ECJ.2006.071212