Haroon M, Vaqas M, Adnan Iqbal M. Comparative Study of Macro-elements (P, Na and K) in the Edible Part of Vegetables Irrigated with Sewage, Canal and Tube Well Water. ajc [Internet]. 2012 Sep. 8 [cited 2024 Jul. 22];25(2):835-7. Available from: https://asianpubs.org/index.php/ajchem/article/view/25_2_52