MEDICINAL DIVERSITY OF WEEDS IN THE HISTORICAL VALLEY OF LANDIKOTAL, KHYBER AGENCY, PAKISTAN Asad Ullah SAFEER ULLAH Abdur Rashid DOI: https://doi.org/10.28941/pjwsr.v20i4.565 PDF Published 2014-12-01 Issue Year 2014, Volume 20 , Issue 4 Section Articles