na INLIS000000000001973 20191211112207.0 191211| ||| | ind a 0010-121900000001973 Ekanantari Ekanantari Jakarta : Pusat Data dan Sistem Informasi Pertanian , 2013 xiv, 54 p. ; 25 cm. 633.491 633.491 EKA o U10 - Mathematical and statistical methods/Metoda matematika dan statistika aC00500