Tadele Atinafu, Taddese Mekonnen and Jeevanandham Somasundaram (2015) “Determination of some toxic heavy metal accumulation in medicinal plants commonly used in Gondar area district, Northwestern Ethiopia”, IJPAR JOURNAL, 4(4), pp. 399–405. doi: 10.61096/ijpar.v4.iss4.2015.399-405.