Chaudhry, M. R., & Ihsanullah. (1989). Effect of different mesh sized gypsum on the reclamation of saline-sodic soil. Directorate of Mona Reclamation Experimental Project, Planning and Investigation Organization.
Lua i Stíl Chicago (17ú heag.)Chaudhry, Muhammad Ramzan, agus Ihsanullah. Effect of Different Mesh Sized Gypsum on the Reclamation of Saline-sodic Soil. Bhalwal: Directorate of Mona Reclamation Experimental Project, Planning and Investigation Organization, 1989.
Lua MLA (8ú heag.)Chaudhry, Muhammad Ramzan, agus Ihsanullah. Effect of Different Mesh Sized Gypsum on the Reclamation of Saline-sodic Soil. Directorate of Mona Reclamation Experimental Project, Planning and Investigation Organization, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.