Peran Stres Eksternal, Dyadic Coping, Attachment, dan Ideologi Peran Gender dalam Memprediksikan Kepuasan Pernikahan Pasangan Bekerja Berpendidikan Tinggi di Perkotaan = The effect of External Stress, Dyadic coping, Attachment, and Gender role Ideology in Predicting Marital Satisfaction of Terteriary Educated Dual-Earner Couples in Urban Areas