Saleem, Asma. Phosphorus transformations and bioavailability from poultry litter after co-composting with agro-waste / [Thesis or Dissertation] Asma Saleem. - Islamabad : COMSATS University Islamabad, . - ; 30 cm Subjects--Personal Names: Supervisor, Index Terms--Genre/Form: Environmental Sciences Dewey Class. No.: 551 / SAL-P