na INLIS000000000024088 Indonesia 0010-0622000111 Research methods for business A skill building approach Uma Sekaran SEKARAN, Uma 6th.ed Illinois John Wiley & Sons 2013 xxi,422p.:ills.; 25 cm 978 1 119 94225 2 001.891 SEK r 001.891 METODE PENELITIAN 4149/PPMKP/21