List of Articles Amir Hasanjani Article 1 - The Effect of Different Auxiliary Collector in Flotation of Phosphate Ore 10.30495/jptc.2021.20868 Melina Seyed Momen Makan Etefagh Amir Hassanjani Roshan Hassan Koohestani Journal of Physical & Theoretical Chemistry , Issue 5 , Year , Winter 2021