Kumar A, Prasad GV. A Necessary Condition for (F₁-Effectiveness of(C, L) (N,p_n) Method. JIMS [Internet]. 1989 Dec. 1 [cited 2024 May 20];54(1-4):139-46. Available from: http://www.informaticsjournals.com/index.php/jims/article/view/21881